// File: @openzeppelin/contracts/interfaces/IERC20.sol



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

pragma solidity ^0.8.0;

import "../token/ERC20/IERC20.sol";

// File: @openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol



// 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);
}

// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol



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

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @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);
}

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol



// 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);
}

// File: @openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/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");
        }
    }
}

// File: @openzeppelin/contracts/utils/Address.sol



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

pragma solidity ^0.8.1;

/**
 * @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 functionCall(target, data, "Address: low-level call failed");
    }

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

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

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

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

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

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

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

    /**
     * @dev 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) {
        require(isContract(target), "Address: delegate call to non-contract");

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// File: contracts/Defii.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.9;

import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

import "./interfaces/IDefiiFactory.sol";
import "./interfaces/IDefii.sol";

abstract contract Defii is IDefii {
    using SafeERC20 for IERC20;

    address public owner;
    address public incentiveVault;
    address public factory;

    constructor() {
        // prevent usage implementation as defii
        owner = msg.sender;
    }

    // Current version of Defii contract. Each version have some new features.
    // After adding new features to Defii contract, add new version to this comment
    // and increase returned version

    // version 1: just Defii with enter, harvest, exit
    // version 2: Added DefiiFactory.getAllWallets, DefiiFactory.getAllDefiis,
    //            DefiiFactory.getAllAllocations, DefiiFactory.getAllInfos
    // version 3: Added incentiveVault
    // version 4: Added Defii.getBalance and DefiiFactory.getAllBalances
    function version() external pure returns (uint16) {
        return 4;
    }

    /// @notice Sets owner and factory addresses. Could run only once, called by factory.
    /// @param owner_ Owner (for ACL and transfers out)
    /// @param factory_ For validation and info about executor
    /// @param incentiveVault_ Address, that collect all incentive tokens
    function init(
        address owner_,
        address factory_,
        address incentiveVault_
    ) external {
        require(owner == address(0), "Already initialized");
        owner = owner_;
        factory = factory_;
        incentiveVault = incentiveVault_;
    }

    /// @notice Calculates balances of given tokens. Returns difference of token amount before exit and after exit.
    /// @dev Should marked as view in ABI
    /// @param tokens Owner (for ACL and transfers out)
    /// @return balances Info about token balances
    function getBalance(address[] calldata tokens)
        external
        returns (BalanceItem[] memory balances)
    {
        (, bytes memory result) = address(this).call(
            abi.encodeWithSelector(this.getBalanceAndRevert.selector, tokens)
        );
        balances = abi.decode(result, (BalanceItem[]));
    }

    /// @notice Use getBalance. This function always reverts.
    function getBalanceAndRevert(address[] calldata tokens) external {
        BalanceItem[] memory balances = new BalanceItem[](tokens.length);
        for (uint256 i = 0; i < tokens.length; i++) {
            balances[i] = BalanceItem({
                token: tokens[i],
                decimals: IERC20Metadata(tokens[i]).decimals(),
                balance: IERC20(tokens[i]).balanceOf(address(this)),
                incentiveVaultBalance: IERC20(tokens[i]).balanceOf(
                    incentiveVault
                )
            });
        }

        if (hasAllocation()) {
            _exit();

            for (uint256 i = 0; i < tokens.length; i++) {
                balances[i].balance =
                    IERC20(tokens[i]).balanceOf(address(this)) -
                    balances[i].balance;
                balances[i].incentiveVaultBalance =
                    IERC20(tokens[i]).balanceOf(incentiveVault) -
                    balances[i].incentiveVaultBalance;
            }
        }

        bytes memory returnData = abi.encode(balances);
        uint256 returnDataLength = returnData.length;
        assembly {
            revert(add(returnData, 0x20), returnDataLength)
        }
    }

    //////
    // owner functions
    //////

    /// @notice Change address of incentive vault.
    /// @param incentiveVault_ New incentive vault address
    function changeIncentiveVault(address incentiveVault_) external onlyOwner {
        incentiveVault = incentiveVault_;
    }

    /// @notice Enters to DEFI instrument. Could run only by owner.
    function enter() external onlyOwner {
        _enter();
    }

    /// @notice Runs custom transaction. Could run only by owner.
    /// @param target Address
    /// @param value Transaction value (e.g. 1 AVAX)
    /// @param data Enocded function call
    function runTx(
        address target,
        uint256 value,
        bytes memory data
    ) public onlyOwner {
        (bool success, ) = target.call{value: value}(data);
        require(success, "runTx failed");
    }

    /// @notice Runs custom multiple transactions. Could run only by owner.
    /// @param targets List of address
    /// @param values List of transactions value (e.g. 1 AVAX)
    /// @param datas List of enocded function calls
    function runMultipleTx(
        address[] calldata targets,
        uint256[] calldata values,
        bytes[] calldata datas
    ) external onlyOwner {
        require(
            targets.length == values.length,
            "targets and values length not match"
        );
        require(
            targets.length == datas.length,
            "targets and datas length not match"
        );

        for (uint256 i = 0; i < targets.length; i++) {
            runTx(targets[i], values[i], datas[i]);
        }
    }

    //////
    // owner and executor functions
    //////

    /// @notice Exit from DEFI instrument. Could run by owner or executor. Don't withdraw funds to owner account.
    function exit() external onlyOnwerOrExecutor {
        _exit();
    }

    /// @notice Exit from DEFI instrument. Could run by owner or executor.
    function exitAndWithdraw() external onlyOnwerOrExecutor {
        _exit();
        _withdrawFunds();
    }

    /// @notice Claim rewards and withdraw to owner.
    function harvest() external onlyOnwerOrExecutor {
        _harvest();
    }

    /// @notice Claim rewards, sell it and and withdraw to owner.
    /// @param params Encoded params (use encodeParams function for it)
    function harvestWithParams(bytes memory params)
        external
        onlyOnwerOrExecutor
    {
        _harvestWithParams(params);
    }

    /// @notice Withdraw funds to owner (some hardcoded assets, which uses in instrument).
    function withdrawFunds() external onlyOnwerOrExecutor {
        _withdrawFunds();
    }

    /// @notice Withdraw ERC20 to owner
    /// @param token ERC20 address
    function withdrawERC20(IERC20 token) public onlyOnwerOrExecutor {
        _withdrawERC20(token);
    }

    /// @notice Withdraw native token to owner (e.g ETH, AVAX, ...)
    function withdrawETH() public onlyOnwerOrExecutor {
        _withdrawETH();
    }

    receive() external payable {}

    function hasAllocation() public view virtual returns (bool);

    //////
    // internal functions - common logic
    //////

    function _withdrawERC20(IERC20 token) internal {
        uint256 tokenAmount = token.balanceOf(address(this));
        if (tokenAmount > 0) {
            token.safeTransfer(owner, tokenAmount);
        }
    }

    function _withdrawETH() internal {
        uint256 balance = address(this).balance;
        if (balance > 0) {
            (bool success, ) = owner.call{value: balance}("");
            require(success, "Transfer failed");
        }
    }

    function _claimIncentive(IERC20 token) internal {
        uint256 tokenAmount = token.balanceOf(address(this));
        if (tokenAmount > 0) {
            token.safeTransfer(incentiveVault, tokenAmount);
        }
    }

    //////
    // internal functions - defii specific logic
    //////

    function _enter() internal virtual;

    function _exit() internal virtual;

    function _harvest() internal virtual {
        revert("Use harvestWithParams");
    }

    function _withdrawFunds() internal virtual;

    function _harvestWithParams(bytes memory) internal virtual {
        revert("Run harvest");
    }

    //////
    // modifiers
    //////

    modifier onlyOwner() {
        require(msg.sender == owner, "Only owner");
        _;
    }

    modifier onlyOnwerOrExecutor() {
        require(
            msg.sender == owner ||
                msg.sender == IDefiiFactory(factory).executor(),
            "Only owner or executor"
        );
        _;
    }
}

// File: contracts/defiis/CompoundV2LeverageUsdcDai.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.9;

import {IERC20} from "@openzeppelin/contracts/interfaces/IERC20.sol";
import {DefiiWithParams} from "../DefiiWithParams.sol";

contract CompoundV2LeverageUsdcDai is DefiiWithParams {
    IERC20 constant DAI = IERC20(0x6B175474E89094C44Da98b954EedeAC495271d0F);
    IERC20 constant USDC = IERC20(0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48);
    ICErc20 constant cDAI = ICErc20(0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643);
    ICErc20 constant cUSDC =
        ICErc20(0x39AA39c021dfbaE8faC545936693aC917d5E7563);
    IERC20 constant COMP = IERC20(0xc00e94Cb662C3520282E6f5717214004A7f26888);

    IComptroller constant comptroller =
        IComptroller(0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B);
    ISwapRouter constant router =
        ISwapRouter(0xE592427A0AEce92De3Edee1F18E0157C05861564);
    IPool constant daiUsdcPool =
        IPool(0x5777d92f208679DB4b9778590Fa3CAB3aC9e2168);

    function encodeParams(uint8 loopCount, uint8 ltv)
        external
        pure
        returns (bytes memory encodedParams)
    {
        require(ltv < 100, "LTV must be in range [0, 100]");
        encodedParams = abi.encode(loopCount, ltv);
    }

    function hasAllocation() public view override returns (bool) {
        return cUSDC.balanceOf(address(this)) > 0;
    }

    function _enterWithParams(bytes memory params) internal override {
        IPriceOracle oracle = comptroller.oracle();

        (uint8 loopCount, uint8 ltv) = abi.decode(params, (uint8, uint8));

        USDC.approve(address(cUSDC), type(uint256).max);
        DAI.approve(address(router), type(uint256).max);

        address[] memory cTokens = new address[](1);
        cTokens[0] = address(cUSDC);
        uint256[] memory errors = comptroller.enterMarkets(cTokens);
        require(errors[0] == 0, "Comptroller.enterMarkets failed.");

        uint256 daiPrice = oracle.getUnderlyingPrice(address(cDAI));
        uint256 usdcPrice = oracle.getUnderlyingPrice(address(cUSDC));

        uint256 daiBalance;
        uint256 usdcBalance;
        for (uint8 i = 0; i < loopCount; i++) {
            usdcBalance = USDC.balanceOf(address(this));
            cUSDC.mint(usdcBalance);
            cDAI.borrow((((usdcBalance * usdcPrice) / daiPrice) * ltv) / 100);
            daiBalance = DAI.balanceOf(address(this));

            router.exactInputSingle(
                ISwapRouter.ExactInputSingleParams({
                    tokenIn: address(DAI),
                    tokenOut: address(USDC),
                    fee: 100,
                    recipient: address(this),
                    deadline: block.timestamp,
                    amountIn: daiBalance,
                    amountOutMinimum: ((daiBalance / 1e12) * 999) / 1000, // slippage 0.1 %
                    sqrtPriceLimitX96: 0
                })
            );
        }
        cUSDC.mint(USDC.balanceOf(address(this)));

        USDC.approve(address(router), 0);
        DAI.approve(address(cDAI), 0);
    }

    function _exit() internal override {
        uint256 borrowedDai = cDAI.borrowBalanceCurrent(address(this));
        daiUsdcPool.swap(
            address(this),
            false,
            -int256(borrowedDai),
            79232123823359802831986285401341952, // int((1.0001 * (1e18/1e6))**0.5 * 2**96)
            bytes("")
        );
        cUSDC.redeem(cUSDC.balanceOf(address(this)));

        _harvest();
    }

    function uniswapV3SwapCallback(
        int256 amount0,
        int256 amount1,
        bytes calldata
    ) external {
        require(msg.sender == address(daiUsdcPool));

        // Should obtain USDC, should return DAI
        require(amount0 < 0, "Wrong amount of DAI");
        require(amount1 > 0, "Wrong admount of USDC");

        uint256 repaymentAmount = uint256(-amount0);
        DAI.approve(address(cDAI), repaymentAmount);
        cDAI.repayBorrow(repaymentAmount);

        cUSDC.redeemUnderlying(uint256(amount1));
        USDC.transfer(address(daiUsdcPool), uint256(amount1));
    }

    function _harvest() internal override {
        comptroller.claimComp(address(this));
        _claimIncentive(COMP);
    }

    function _withdrawFunds() internal override {
        withdrawERC20(USDC);
    }
}

interface ICErc20 is IERC20 {
    function borrow(uint256 borrowAmount) external returns (uint256);

    function borrowBalanceCurrent(address account) external returns (uint256);

    function mint(uint256 mintAmount) external returns (uint256);

    function redeem(uint256 redeemTokens) external returns (uint256);

    function redeemUnderlying(uint256 redeemAmount) external returns (uint256);

    function repayBorrow(uint256 repayAmount) external returns (uint256);
}

interface IComptroller {
    function oracle() external view returns (IPriceOracle);

    function enterMarkets(address[] calldata)
        external
        returns (uint256[] memory);

    function claimComp(address holder) external;
}

interface IPriceOracle {
    function getUnderlyingPrice(address cToken) external view returns (uint256);
}

interface ISwapRouter {
    struct ExactInputSingleParams {
        address tokenIn;
        address tokenOut;
        uint24 fee;
        address recipient;
        uint256 deadline;
        uint256 amountIn;
        uint256 amountOutMinimum;
        uint160 sqrtPriceLimitX96;
    }

    function exactInputSingle(ExactInputSingleParams calldata params)
        external
        payable
        returns (uint256 amountOut);

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

    function exactInput(ExactInputParams memory params)
        external
        returns (uint256 amountOut);
}

interface IPool {
    function swap(
        address recipient,
        bool zeroForOne,
        int256 amountSpecified,
        uint160 sqrtPriceLimitX96,
        bytes calldata data
    ) external returns (int256 amount0, int256 amount1);
}

// File: contracts/DefiiWithParams.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.9;

import "./Defii.sol";

//
// DEPRECATED!!!
// Use DefiiWithCustomExit
//

abstract contract DefiiWithParams is Defii {
    function enterWithParams(bytes memory params) external onlyOwner {
        _enterWithParams(params);
    }

    function _enterWithParams(bytes memory params) internal virtual;

    function _enter() internal override {
        revert("Run enterWithParams");
    }
}

// File: contracts/interfaces/IDefii.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.9;

import {IERC20} from "@openzeppelin/contracts/interfaces/IERC20.sol";

import "./IDefiiFactory.sol";

interface IDefii {
    function hasAllocation() external view returns (bool);

    function incentiveVault() external view returns (address);

    function version() external pure returns (uint16);

    function init(
        address owner_,
        address factory_,
        address incentiveVault_
    ) external;

    function getBalance(address[] calldata tokens)
        external
        returns (BalanceItem[] memory balances);

    function changeIncentiveVault(address incentiveVault_) external;

    function enter() external;

    function runTx(
        address target,
        uint256 value,
        bytes memory data
    ) external;

    function runMultipleTx(
        address[] calldata targets,
        uint256[] calldata values,
        bytes[] calldata datas
    ) external;

    function exit() external;

    function exitAndWithdraw() external;

    function harvest() external;

    function withdrawERC20(IERC20 token) external;

    function withdrawETH() external;

    function withdrawFunds() external;
}

// File: contracts/interfaces/IDefiiFactory.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.9;

struct Info {
    address wallet;
    address defii;
    bool hasAllocation;
    address incentiveVault;
}

struct Balance {
    address wallet;
    BalanceItem[] balance;
}

struct BalanceItem {
    address token;
    uint256 decimals;
    uint256 balance;
    uint256 incentiveVaultBalance;
}

interface IDefiiFactory {
    function executor() external view returns (address executor);

    function getDefiiFor(address wallet) external view returns (address defii);

    function getAllWallets() external view returns (address[] memory);

    function getAllDefiis() external view returns (address[] memory);

    function getAllAllocations() external view returns (bool[] memory);

    function getAllInfos() external view returns (Info[] memory);

    function getAllBalances(address[] calldata tokens)
        external
        returns (Balance[] memory);

    function createDefii() external;

    function createDefiiFor(address owner, address incentiveVault) external;
}