// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 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: 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: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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");
        }
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

/// @title library that represents a number in BigNumber(coefficient and exponent) format to store in smaller bits.
/// @notice the number is divided into two parts: a coefficient and an exponent. This comes at a cost of losing some precision
/// at the end of the number because the exponent simply fills it with zeroes. This precision is oftentimes negligible and can
/// result in significant gas cost reduction due to storage space reduction.
/// Also note, a valid big number is as follows: if the exponent is > 0, then coefficient last bits should be occupied to have max precision.
/// @dev roundUp is more like a increase 1, which happens everytime for the same number.
/// roundDown simply sets trailing digits after coefficientSize to zero (floor), only once for the same number.
library BigMathMinified {
    /// @dev constants to use for `roundUp` input param to increase readability
    bool internal constant ROUND_DOWN = false;
    bool internal constant ROUND_UP = true;

    /// @dev converts `normal` number to BigNumber with `exponent` and `coefficient` (or precision).
    /// e.g.:
    /// 5035703444687813576399599 (normal) = (coefficient[32bits], exponent[8bits])[40bits]
    /// 5035703444687813576399599 (decimal) => 10000101010010110100000011111011110010100110100000000011100101001101001101011101111 (binary)
    ///                                     => 10000101010010110100000011111011000000000000000000000000000000000000000000000000000
    ///                                                                        ^-------------------- 51(exponent) -------------- ^
    /// coefficient = 1000,0101,0100,1011,0100,0000,1111,1011               (2236301563)
    /// exponent =                                            0011,0011     (51)
    /// bigNumber =   1000,0101,0100,1011,0100,0000,1111,1011,0011,0011     (572493200179)
    ///
    /// @param normal number which needs to be converted into Big Number
    /// @param coefficientSize at max how many bits of precision there should be (64 = uint64 (64 bits precision))
    /// @param exponentSize at max how many bits of exponent there should be (8 = uint8 (8 bits exponent))
    /// @param roundUp signals if result should be rounded down or up
    /// @return bigNumber converted bigNumber (coefficient << exponent)
    function toBigNumber(
        uint256 normal,
        uint256 coefficientSize,
        uint256 exponentSize,
        bool roundUp
    ) internal pure returns (uint256 bigNumber) {
        assembly {
            let lastBit_
            let number_ := normal
            if gt(number_, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) {
                number_ := shr(0x80, number_)
                lastBit_ := 0x80
            }
            if gt(number_, 0xFFFFFFFFFFFFFFFF) {
                number_ := shr(0x40, number_)
                lastBit_ := add(lastBit_, 0x40)
            }
            if gt(number_, 0xFFFFFFFF) {
                number_ := shr(0x20, number_)
                lastBit_ := add(lastBit_, 0x20)
            }
            if gt(number_, 0xFFFF) {
                number_ := shr(0x10, number_)
                lastBit_ := add(lastBit_, 0x10)
            }
            if gt(number_, 0xFF) {
                number_ := shr(0x8, number_)
                lastBit_ := add(lastBit_, 0x8)
            }
            if gt(number_, 0xF) {
                number_ := shr(0x4, number_)
                lastBit_ := add(lastBit_, 0x4)
            }
            if gt(number_, 0x3) {
                number_ := shr(0x2, number_)
                lastBit_ := add(lastBit_, 0x2)
            }
            if gt(number_, 0x1) {
                lastBit_ := add(lastBit_, 1)
            }
            if gt(number_, 0) {
                lastBit_ := add(lastBit_, 1)
            }
            if lt(lastBit_, coefficientSize) {
                // for throw exception
                lastBit_ := coefficientSize
            }
            let exponent := sub(lastBit_, coefficientSize)
            let coefficient := shr(exponent, normal)
            if and(roundUp, gt(exponent, 0)) {
                // rounding up is only needed if exponent is > 0, as otherwise the coefficient fully holds the original number
                coefficient := add(coefficient, 1)
                if eq(shl(coefficientSize, 1), coefficient) {
                    // case were coefficient was e.g. 111, with adding 1 it became 1000 (in binary) and coefficientSize 3 bits
                    // final coefficient would exceed it's size. -> reduce coefficent to 100 and increase exponent by 1.
                    coefficient := shl(sub(coefficientSize, 1), 1)
                    exponent := add(exponent, 1)
                }
            }
            if iszero(lt(exponent, shl(exponentSize, 1))) {
                // if exponent is >= exponentSize, the normal number is too big to fit within
                // BigNumber with too small sizes for coefficient and exponent
                revert(0, 0)
            }
            bigNumber := shl(exponentSize, coefficient)
            bigNumber := add(bigNumber, exponent)
        }
    }

    /// @dev get `normal` number from `bigNumber`, `exponentSize` and `exponentMask`
    function fromBigNumber(
        uint256 bigNumber,
        uint256 exponentSize,
        uint256 exponentMask
    ) internal pure returns (uint256 normal) {
        assembly {
            let coefficient := shr(exponentSize, bigNumber)
            let exponent := and(bigNumber, exponentMask)
            normal := shl(exponent, coefficient)
        }
    }

    /// @dev gets the most significant bit `lastBit` of a `normal` number (length of given number of binary format).
    /// e.g.
    /// 5035703444687813576399599 = 10000101010010110100000011111011110010100110100000000011100101001101001101011101111
    /// lastBit =                   ^---------------------------------   83   ----------------------------------------^
    function mostSignificantBit(uint256 normal) internal pure returns (uint lastBit) {
        assembly {
            let number_ := normal
            if gt(normal, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) {
                number_ := shr(0x80, number_)
                lastBit := 0x80
            }
            if gt(number_, 0xFFFFFFFFFFFFFFFF) {
                number_ := shr(0x40, number_)
                lastBit := add(lastBit, 0x40)
            }
            if gt(number_, 0xFFFFFFFF) {
                number_ := shr(0x20, number_)
                lastBit := add(lastBit, 0x20)
            }
            if gt(number_, 0xFFFF) {
                number_ := shr(0x10, number_)
                lastBit := add(lastBit, 0x10)
            }
            if gt(number_, 0xFF) {
                number_ := shr(0x8, number_)
                lastBit := add(lastBit, 0x8)
            }
            if gt(number_, 0xF) {
                number_ := shr(0x4, number_)
                lastBit := add(lastBit, 0x4)
            }
            if gt(number_, 0x3) {
                number_ := shr(0x2, number_)
                lastBit := add(lastBit, 0x2)
            }
            if gt(number_, 0x1) {
                lastBit := add(lastBit, 1)
            }
            if gt(number_, 0) {
                lastBit := add(lastBit, 1)
            }
        }
    }
}

// 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: BUSL-1.1
pragma solidity 0.8.21;

contract Error {
    error FluidVaultError(uint256 errorId_);

    /// @notice used to simulate liquidation to find the maximum liquidatable amounts
    error FluidLiquidateResult(uint256 colLiquidated, uint256 debtLiquidated);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

library ErrorTypes {
    /***********************************|
    |           Vault Factory           | 
    |__________________________________*/

    uint256 internal constant VaultFactory__InvalidOperation = 30001;
    uint256 internal constant VaultFactory__Unauthorized = 30002;
    uint256 internal constant VaultFactory__SameTokenNotAllowed = 30003;
    uint256 internal constant VaultFactory__InvalidParams = 30004;
    uint256 internal constant VaultFactory__InvalidVault = 30005;
    uint256 internal constant VaultFactory__InvalidVaultAddress = 30006;
    uint256 internal constant VaultFactory__OnlyDelegateCallAllowed = 30007;

    /***********************************|
    |            VaultT1                | 
    |__________________________________*/

    /// @notice thrown at reentrancy
    uint256 internal constant VaultT1__AlreadyEntered = 31001;

    /// @notice thrown when user sends deposit & borrow amount as 0
    uint256 internal constant VaultT1__InvalidOperateAmount = 31002;

    /// @notice thrown when msg.value is not in sync with native token deposit or payback
    uint256 internal constant VaultT1__InvalidMsgValueOperate = 31003;

    /// @notice thrown when msg.sender is not the owner of the vault
    uint256 internal constant VaultT1__NotAnOwner = 31004;

    /// @notice thrown when user's position does not exist. Sending the wrong index from the frontend
    uint256 internal constant VaultT1__TickIsEmpty = 31005;

    /// @notice thrown when the user's position is above CF and the user tries to make it more risky by trying to withdraw or borrow
    uint256 internal constant VaultT1__PositionAboveCF = 31006;

    /// @notice thrown when the top tick is not initialized. Happens if the vault is totally new or all the user's left
    uint256 internal constant VaultT1__TopTickDoesNotExist = 31007;

    /// @notice thrown when msg.value in liquidate is not in sync payback
    uint256 internal constant VaultT1__InvalidMsgValueLiquidate = 31008;

    /// @notice thrown when slippage is more on liquidation than what the liquidator sent
    uint256 internal constant VaultT1__ExcessSlippageLiquidation = 31009;

    /// @notice thrown when msg.sender is not the rebalancer/reserve contract
    uint256 internal constant VaultT1__NotRebalancer = 31010;

    /// @notice thrown when NFT of one vault interacts with the NFT of other vault
    uint256 internal constant VaultT1__NftNotOfThisVault = 31011;

    /// @notice thrown when the token is not initialized on the liquidity contract
    uint256 internal constant VaultT1__TokenNotInitialized = 31012;

    /// @notice thrown when admin updates fallback if a non-auth calls vault
    uint256 internal constant VaultT1__NotAnAuth = 31013;

    /// @notice thrown in operate when user tries to witdhraw more collateral than deposited
    uint256 internal constant VaultT1__ExcessCollateralWithdrawal = 31014;

    /// @notice thrown in operate when user tries to payback more debt than borrowed
    uint256 internal constant VaultT1__ExcessDebtPayback = 31015;

    /// @notice thrown when user try to withdrawal more than operate's withdrawal limit
    uint256 internal constant VaultT1__WithdrawMoreThanOperateLimit = 31016;

    /// @notice thrown when caller of liquidityCallback is not Liquidity
    uint256 internal constant VaultT1__InvalidLiquidityCallbackAddress = 31017;

    /// @notice thrown when reentrancy is not already on
    uint256 internal constant VaultT1__NotEntered = 31018;

    /// @notice thrown when someone directly calls secondary implementation contract
    uint256 internal constant VaultT1__OnlyDelegateCallAllowed = 31019;

    /// @notice thrown when the safeTransferFrom for a token amount failed
    uint256 internal constant VaultT1__TransferFromFailed = 31020;

    /// @notice thrown when exchange price overflows while updating on storage
    uint256 internal constant VaultT1__ExchangePriceOverFlow = 31021;

    /// @notice thrown when debt to liquidate amt is sent wrong
    uint256 internal constant VaultT1__InvalidLiquidationAmt = 31022;

    /// @notice thrown when user debt or collateral goes above 2**128 or below -2**128
    uint256 internal constant VaultT1__UserCollateralDebtExceed = 31023;

    /// @notice thrown if on liquidation branch debt becomes lower than 100
    uint256 internal constant VaultT1__BranchDebtTooLow = 31024;

    /// @notice thrown when tick's debt is less than 10000
    uint256 internal constant VaultT1__TickDebtTooLow = 31025;

    /// @notice thrown when the received new liquidity exchange price is of unexpected value (< than the old one)
    uint256 internal constant VaultT1__LiquidityExchangePriceUnexpected = 31026;

    /// @notice thrown when user's debt is less than 10000
    uint256 internal constant VaultT1__UserDebtTooLow = 31027;

    /// @notice thrown when on only payback and only deposit the ratio of position increases
    uint256 internal constant VaultT1__InvalidPaybackOrDeposit = 31028;

    /// @notice thrown when liquidation just happens of a single partial or when there's nothing to liquidate
    uint256 internal constant VaultT1__InvalidLiquidation = 31029;

    /// @notice thrown when msg.value is sent wrong in rebalance
    uint256 internal constant VaultT1__InvalidMsgValueInRebalance = 31030;

    /// @notice thrown when nothing rebalanced
    uint256 internal constant VaultT1__NothingToRebalance = 31031;

    /// @notice thrown on unforseen liquidation scenarios. Might never come in use.
    uint256 internal constant VaultT1__LiquidationReverts = 31032;

    /// @notice thrown when oracle price is > 1e54
    uint256 internal constant VaultT1__InvalidOraclePrice = 31033;

    /***********************************|
    |              ERC721               | 
    |__________________________________*/

    uint256 internal constant ERC721__InvalidParams = 32001;
    uint256 internal constant ERC721__Unauthorized = 32002;
    uint256 internal constant ERC721__InvalidOperation = 32003;
    uint256 internal constant ERC721__UnsafeRecipient = 32004;
    uint256 internal constant ERC721__OutOfBoundsIndex = 32005;

    /***********************************|
    |            Vault Admin            | 
    |__________________________________*/

    /// @notice thrown when admin tries to setup invalid value which are crossing limits
    uint256 internal constant VaultT1Admin__ValueAboveLimit = 33001;

    /// @notice when someone directly calls admin implementation contract
    uint256 internal constant VaultT1Admin__OnlyDelegateCallAllowed = 33002;

    /// @notice thrown when auth sends NFT ID as 0 while collecting dust debt
    uint256 internal constant VaultT1Admin__NftIdShouldBeNonZero = 33003;

    /// @notice thrown when trying to collect dust debt of NFT which is not of this vault
    uint256 internal constant VaultT1Admin__NftNotOfThisVault = 33004;

    /// @notice thrown when dust debt of NFT is 0, meaning nothing to collect
    uint256 internal constant VaultT1Admin__DustDebtIsZero = 33005;

    /// @notice thrown when final debt after liquidation is not 0, meaning position 100% liquidated
    uint256 internal constant VaultT1Admin__FinalDebtShouldBeZero = 33006;

    /// @notice thrown when NFT is not liquidated state
    uint256 internal constant VaultT1Admin__NftNotLiquidated = 33007;

    /// @notice thrown when total absorbed dust debt is 0
    uint256 internal constant VaultT1Admin__AbsorbedDustDebtIsZero = 33008;

    /// @notice thrown when address is set as 0
    uint256 internal constant VaultT1Admin__AddressZeroNotAllowed = 33009;

    /***********************************|
    |            Vault Rewards          | 
    |__________________________________*/

    uint256 internal constant VaultRewards__Unauthorized = 34001;
    uint256 internal constant VaultRewards__AddressZero = 34002;
    uint256 internal constant VaultRewards__InvalidParams = 34003;
    uint256 internal constant VaultRewards__NewMagnifierSameAsOldMagnifier = 34004;
    uint256 internal constant VaultRewards__NotTheInitiator = 34005;
    uint256 internal constant VaultRewards__AlreadyStarted = 34006;
    uint256 internal constant VaultRewards__RewardsNotStartedOrEnded = 34007;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

abstract contract Events {
    /// @notice Emitted when magnifier is updated
    event LogUpdateMagnifier(address indexed vault, uint256 newMagnifier);

    /// @notice Emitted when rewards are started
    event LogRewardsStarted(uint256 startTime, uint256 endTime);
}

//SPDX-License-Identifier: MIT
pragma solidity 0.8.21;

import { IProxy } from "../../infiniteProxy/interfaces/iProxy.sol";
import { Structs as AdminModuleStructs } from "../adminModule/structs.sol";

interface IFluidLiquidityAdmin {
    /// @notice adds/removes auths. Auths generally could be contracts which can have restricted actions defined on contract.
    ///         auths can be helpful in reducing governance overhead where it's not needed.
    /// @param authsStatus_ array of structs setting allowed status for an address.
    ///                     status true => add auth, false => remove auth
    function updateAuths(AdminModuleStructs.AddressBool[] calldata authsStatus_) external;

    /// @notice adds/removes guardians. Only callable by Governance.
    /// @param guardiansStatus_ array of structs setting allowed status for an address.
    ///                         status true => add guardian, false => remove guardian
    function updateGuardians(AdminModuleStructs.AddressBool[] calldata guardiansStatus_) external;

    /// @notice changes the revenue collector address (contract that is sent revenue). Only callable by Governance.
    /// @param revenueCollector_  new revenue collector address
    function updateRevenueCollector(address revenueCollector_) external;

    /// @notice changes current status, e.g. for pausing or unpausing all user operations. Only callable by Auths.
    /// @param newStatus_ new status
    ///        status = 2 -> pause, status = 1 -> resume.
    function changeStatus(uint256 newStatus_) external;

    /// @notice                  update tokens rate data version 1. Only callable by Auths.
    /// @param tokensRateData_   array of RateDataV1Params with rate data to set for each token
    function updateRateDataV1s(AdminModuleStructs.RateDataV1Params[] calldata tokensRateData_) external;

    /// @notice                  update tokens rate data version 2. Only callable by Auths.
    /// @param tokensRateData_   array of RateDataV2Params with rate data to set for each token
    function updateRateDataV2s(AdminModuleStructs.RateDataV2Params[] calldata tokensRateData_) external;

    /// @notice updates token configs: fee charge on borrowers interest & storage update utilization threshold.
    ///         Only callable by Auths.
    /// @param tokenConfigs_ contains token address, fee & utilization threshold
    function updateTokenConfigs(AdminModuleStructs.TokenConfig[] calldata tokenConfigs_) external;

    /// @notice updates user classes: 0 is for new protocols, 1 is for established protocols.
    ///         Only callable by Auths.
    /// @param userClasses_ struct array of uint256 value to assign for each user address
    function updateUserClasses(AdminModuleStructs.AddressUint256[] calldata userClasses_) external;

    /// @notice sets user supply configs per token basis. Eg: with interest or interest-free and automated limits.
    ///         Only callable by Auths.
    /// @param userSupplyConfigs_ struct array containing user supply config, see `UserSupplyConfig` struct for more info
    function updateUserSupplyConfigs(AdminModuleStructs.UserSupplyConfig[] memory userSupplyConfigs_) external;

    /// @notice setting user borrow configs per token basis. Eg: with interest or interest-free and automated limits.
    ///         Only callable by Auths.
    /// @param userBorrowConfigs_ struct array containing user borrow config, see `UserBorrowConfig` struct for more info
    function updateUserBorrowConfigs(AdminModuleStructs.UserBorrowConfig[] memory userBorrowConfigs_) external;

    /// @notice pause operations for a particular user in class 0 (class 1 users can't be paused by guardians).
    /// Only callable by Guardians.
    /// @param user_          address of user to pause operations for
    /// @param supplyTokens_  token addresses to pause withdrawals for
    /// @param borrowTokens_  token addresses to pause borrowings for
    function pauseUser(address user_, address[] calldata supplyTokens_, address[] calldata borrowTokens_) external;

    /// @notice unpause operations for a particular user in class 0 (class 1 users can't be paused by guardians).
    /// Only callable by Guardians.
    /// @param user_          address of user to unpause operations for
    /// @param supplyTokens_  token addresses to unpause withdrawals for
    /// @param borrowTokens_  token addresses to unpause borrowings for
    function unpauseUser(address user_, address[] calldata supplyTokens_, address[] calldata borrowTokens_) external;

    /// @notice         collects revenue for tokens to configured revenueCollector address.
    /// @param tokens_  array of tokens to collect revenue for
    /// @dev            Note that this can revert if token balance is < revenueAmount (utilization > 100%)
    function collectRevenue(address[] calldata tokens_) external;

    /// @notice gets the current updated exchange prices for n tokens and updates all prices, rates related data in storage.
    /// @param tokens_ tokens to update exchange prices for
    /// @return supplyExchangePrices_ new supply rates of overall system for each token
    /// @return borrowExchangePrices_ new borrow rates of overall system for each token
    function updateExchangePrices(
        address[] calldata tokens_
    ) external returns (uint256[] memory supplyExchangePrices_, uint256[] memory borrowExchangePrices_);
}

interface IFluidLiquidityLogic is IFluidLiquidityAdmin {
    /// @notice Single function which handles supply, withdraw, borrow & payback
    /// @param token_ address of token (0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE for native)
    /// @param supplyAmount_ if +ve then supply, if -ve then withdraw, if 0 then nothing
    /// @param borrowAmount_ if +ve then borrow, if -ve then payback, if 0 then nothing
    /// @param withdrawTo_ if withdrawal then to which address
    /// @param borrowTo_ if borrow then to which address
    /// @param callbackData_ callback data passed to `liquidityCallback` method of protocol
    /// @return memVar3_ updated supplyExchangePrice
    /// @return memVar4_ updated borrowExchangePrice
    /// @dev to trigger skipping in / out transfers when in&out amounts balance themselves out (gas optimization):
    /// -   supply(+) == borrow(+), withdraw(-) == payback(-).
    /// -   `withdrawTo_` / `borrowTo_` must be msg.sender (protocol)
    /// -   `callbackData_` MUST be encoded so that "from" address is at last 20 bytes (if this optimization is desired),
    ///     also for native token operations where liquidityCallback is not triggered!
    ///     from address must come at last position if there is more data. I.e. encode like:
    ///     abi.encode(otherVar1, otherVar2, FROM_ADDRESS). Note dynamic types used with abi.encode come at the end
    ///     so if dynamic types are needed, you must use abi.encodePacked to ensure the from address is at the end.
    function operate(
        address token_,
        int256 supplyAmount_,
        int256 borrowAmount_,
        address withdrawTo_,
        address borrowTo_,
        bytes calldata callbackData_
    ) external payable returns (uint256 memVar3_, uint256 memVar4_);
}

interface IFluidLiquidity is IProxy, IFluidLiquidityLogic {}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;

interface IProxy {
    function setAdmin(address newAdmin_) external;

    function setDummyImplementation(address newDummyImplementation_) external;

    function addImplementation(address implementation_, bytes4[] calldata sigs_) external;

    function removeImplementation(address implementation_) external;

    function getAdmin() external view returns (address);

    function getDummyImplementation() external view returns (address);

    function getImplementationSigs(address impl_) external view returns (bytes4[] memory);

    function getSigsImplementation(bytes4 sig_) external view returns (address);

    function readFromStorage(bytes32 slot_) external view returns (uint256 result_);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { IFluidLiquidity } from "../../liquidity/interfaces/iLiquidity.sol";

interface IFluidReserveContract {
    function isRebalancer(address user) external returns (bool);

    function initialize(
        address[] memory _auths,
        address[] memory _rebalancers,
        IFluidLiquidity liquidity_,
        address owner_
    ) external;

    function rebalanceFToken(address protocol_) external;

    function rebalanceVault(address protocol_) external;

    function transferFunds(address token_) external;

    function getProtocolTokens(address protocol_) external;

    function updateAuth(address auth_, bool isAuth_) external;

    function updateRebalancer(address rebalancer_, bool isRebalancer_) external;

    function approve(address[] memory protocols_, address[] memory tokens_, uint256[] memory amounts_) external;

    function revoke(address[] memory protocols_, address[] memory tokens_) external;
}

//SPDX-License-Identifier: MIT
pragma solidity 0.8.21;

interface IFluidVaultT1 {
    /// @notice returns the vault id
    function VAULT_ID() external view returns (uint256);

    /// @notice reads uint256 data `result_` from storage at a bytes32 storage `slot_` key.
    function readFromStorage(bytes32 slot_) external view returns (uint256 result_);

    struct ConstantViews {
        address liquidity;
        address factory;
        address adminImplementation;
        address secondaryImplementation;
        address supplyToken;
        address borrowToken;
        uint8 supplyDecimals;
        uint8 borrowDecimals;
        uint vaultId;
        bytes32 liquiditySupplyExchangePriceSlot;
        bytes32 liquidityBorrowExchangePriceSlot;
        bytes32 liquidityUserSupplySlot;
        bytes32 liquidityUserBorrowSlot;
    }

    /// @notice returns all Vault constants
    function constantsView() external view returns (ConstantViews memory constantsView_);

    /// @notice fetches the latest user position after a liquidation
    function fetchLatestPosition(
        int256 positionTick_,
        uint256 positionTickId_,
        uint256 positionRawDebt_,
        uint256 tickData_
    )
        external
        view
        returns (
            int256, // tick
            uint256, // raw debt
            uint256, // raw collateral
            uint256, // branchID_
            uint256 // branchData_
        );

    /// @notice calculates the updated vault exchange prices
    function updateExchangePrices(
        uint256 vaultVariables2_
    )
        external
        view
        returns (
            uint256 liqSupplyExPrice_,
            uint256 liqBorrowExPrice_,
            uint256 vaultSupplyExPrice_,
            uint256 vaultBorrowExPrice_
        );

    /// @notice calculates the updated vault exchange prices and writes them to storage
    function updateExchangePricesOnStorage()
        external
        returns (
            uint256 liqSupplyExPrice_,
            uint256 liqBorrowExPrice_,
            uint256 vaultSupplyExPrice_,
            uint256 vaultBorrowExPrice_
        );

    /// @notice returns the liquidity contract address
    function LIQUIDITY() external view returns (address);

    function operate(
        uint256 nftId_, // if 0 then new position
        int256 newCol_, // if negative then withdraw
        int256 newDebt_, // if negative then payback
        address to_ // address at which the borrow & withdraw amount should go to. If address(0) then it'll go to msg.sender
    )
        external
        payable
        returns (
            uint256, // nftId_
            int256, // final supply amount. if - then withdraw
            int256 // final borrow amount. if - then payback
        );
    
    function liquidate(
        uint256 debtAmt_,
        uint256 colPerUnitDebt_, // min collateral needed per unit of debt in 1e18
        address to_,
        bool absorb_
    ) external payable returns (uint actualDebtAmt_, uint actualColAmt_);

    function absorb() external;

    function rebalance() external payable returns (int supplyAmt_, int borrowAmt_);

    error FluidLiquidateResult(uint256 colLiquidated, uint256 debtLiquidated);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

/// @notice library that helps in reading / working with storage slot data of Fluid Liquidity.
/// @dev as all data for Fluid Liquidity is internal, any data must be fetched directly through manual
/// slot reading through this library or, if gas usage is less important, through the FluidLiquidityResolver.
library LiquiditySlotsLink {
    /// @dev storage slot for status at Liquidity
    uint256 internal constant LIQUIDITY_STATUS_SLOT = 1;
    /// @dev storage slot for auths mapping at Liquidity
    uint256 internal constant LIQUIDITY_AUTHS_MAPPING_SLOT = 2;
    /// @dev storage slot for guardians mapping at Liquidity
    uint256 internal constant LIQUIDITY_GUARDIANS_MAPPING_SLOT = 3;
    /// @dev storage slot for user class mapping at Liquidity
    uint256 internal constant LIQUIDITY_USER_CLASS_MAPPING_SLOT = 4;
    /// @dev storage slot for exchangePricesAndConfig mapping at Liquidity
    uint256 internal constant LIQUIDITY_EXCHANGE_PRICES_MAPPING_SLOT = 5;
    /// @dev storage slot for rateData mapping at Liquidity
    uint256 internal constant LIQUIDITY_RATE_DATA_MAPPING_SLOT = 6;
    /// @dev storage slot for totalAmounts mapping at Liquidity
    uint256 internal constant LIQUIDITY_TOTAL_AMOUNTS_MAPPING_SLOT = 7;
    /// @dev storage slot for user supply double mapping at Liquidity
    uint256 internal constant LIQUIDITY_USER_SUPPLY_DOUBLE_MAPPING_SLOT = 8;
    /// @dev storage slot for user borrow double mapping at Liquidity
    uint256 internal constant LIQUIDITY_USER_BORROW_DOUBLE_MAPPING_SLOT = 9;
    /// @dev storage slot for listed tokens array at Liquidity
    uint256 internal constant LIQUIDITY_LISTED_TOKENS_ARRAY_SLOT = 10;
    /// @dev storage slot for listed tokens array at Liquidity
    uint256 internal constant LIQUIDITY_CONFIGS2_MAPPING_SLOT = 11;

    // --------------------------------
    // @dev stacked uint256 storage slots bits position data for each:

    // ExchangePricesAndConfig
    uint256 internal constant BITS_EXCHANGE_PRICES_BORROW_RATE = 0;
    uint256 internal constant BITS_EXCHANGE_PRICES_FEE = 16;
    uint256 internal constant BITS_EXCHANGE_PRICES_UTILIZATION = 30;
    uint256 internal constant BITS_EXCHANGE_PRICES_UPDATE_THRESHOLD = 44;
    uint256 internal constant BITS_EXCHANGE_PRICES_LAST_TIMESTAMP = 58;
    uint256 internal constant BITS_EXCHANGE_PRICES_SUPPLY_EXCHANGE_PRICE = 91;
    uint256 internal constant BITS_EXCHANGE_PRICES_BORROW_EXCHANGE_PRICE = 155;
    uint256 internal constant BITS_EXCHANGE_PRICES_SUPPLY_RATIO = 219;
    uint256 internal constant BITS_EXCHANGE_PRICES_BORROW_RATIO = 234;
    uint256 internal constant BITS_EXCHANGE_PRICES_USES_CONFIGS2 = 249;

    // RateData:
    uint256 internal constant BITS_RATE_DATA_VERSION = 0;
    // RateData: V1
    uint256 internal constant BITS_RATE_DATA_V1_RATE_AT_UTILIZATION_ZERO = 4;
    uint256 internal constant BITS_RATE_DATA_V1_UTILIZATION_AT_KINK = 20;
    uint256 internal constant BITS_RATE_DATA_V1_RATE_AT_UTILIZATION_KINK = 36;
    uint256 internal constant BITS_RATE_DATA_V1_RATE_AT_UTILIZATION_MAX = 52;
    // RateData: V2
    uint256 internal constant BITS_RATE_DATA_V2_RATE_AT_UTILIZATION_ZERO = 4;
    uint256 internal constant BITS_RATE_DATA_V2_UTILIZATION_AT_KINK1 = 20;
    uint256 internal constant BITS_RATE_DATA_V2_RATE_AT_UTILIZATION_KINK1 = 36;
    uint256 internal constant BITS_RATE_DATA_V2_UTILIZATION_AT_KINK2 = 52;
    uint256 internal constant BITS_RATE_DATA_V2_RATE_AT_UTILIZATION_KINK2 = 68;
    uint256 internal constant BITS_RATE_DATA_V2_RATE_AT_UTILIZATION_MAX = 84;

    // TotalAmounts
    uint256 internal constant BITS_TOTAL_AMOUNTS_SUPPLY_WITH_INTEREST = 0;
    uint256 internal constant BITS_TOTAL_AMOUNTS_SUPPLY_INTEREST_FREE = 64;
    uint256 internal constant BITS_TOTAL_AMOUNTS_BORROW_WITH_INTEREST = 128;
    uint256 internal constant BITS_TOTAL_AMOUNTS_BORROW_INTEREST_FREE = 192;

    // UserSupplyData
    uint256 internal constant BITS_USER_SUPPLY_MODE = 0;
    uint256 internal constant BITS_USER_SUPPLY_AMOUNT = 1;
    uint256 internal constant BITS_USER_SUPPLY_PREVIOUS_WITHDRAWAL_LIMIT = 65;
    uint256 internal constant BITS_USER_SUPPLY_LAST_UPDATE_TIMESTAMP = 129;
    uint256 internal constant BITS_USER_SUPPLY_EXPAND_PERCENT = 162;
    uint256 internal constant BITS_USER_SUPPLY_EXPAND_DURATION = 176;
    uint256 internal constant BITS_USER_SUPPLY_BASE_WITHDRAWAL_LIMIT = 200;
    uint256 internal constant BITS_USER_SUPPLY_IS_PAUSED = 255;

    // UserBorrowData
    uint256 internal constant BITS_USER_BORROW_MODE = 0;
    uint256 internal constant BITS_USER_BORROW_AMOUNT = 1;
    uint256 internal constant BITS_USER_BORROW_PREVIOUS_BORROW_LIMIT = 65;
    uint256 internal constant BITS_USER_BORROW_LAST_UPDATE_TIMESTAMP = 129;
    uint256 internal constant BITS_USER_BORROW_EXPAND_PERCENT = 162;
    uint256 internal constant BITS_USER_BORROW_EXPAND_DURATION = 176;
    uint256 internal constant BITS_USER_BORROW_BASE_BORROW_LIMIT = 200;
    uint256 internal constant BITS_USER_BORROW_MAX_BORROW_LIMIT = 218;
    uint256 internal constant BITS_USER_BORROW_IS_PAUSED = 255;

    // Configs2
    uint256 internal constant BITS_CONFIGS2_MAX_UTILIZATION = 0;

    // --------------------------------

    /// @notice Calculating the slot ID for Liquidity contract for single mapping at `slot_` for `key_`
    function calculateMappingStorageSlot(uint256 slot_, address key_) internal pure returns (bytes32) {
        return keccak256(abi.encode(key_, slot_));
    }

    /// @notice Calculating the slot ID for Liquidity contract for double mapping at `slot_` for `key1_` and `key2_`
    function calculateDoubleMappingStorageSlot(
        uint256 slot_,
        address key1_,
        address key2_
    ) internal pure returns (bytes32) {
        bytes32 intermediateSlot_ = keccak256(abi.encode(key1_, slot_));
        return keccak256(abi.encode(key2_, intermediateSlot_));
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { Address } from "@openzeppelin/contracts/utils/Address.sol";

import { Variables } from "../common/variables.sol";
import { Events } from "./events.sol";
import { ErrorTypes } from "../../errorTypes.sol";
import { Error } from "../../error.sol";
import { IFluidVaultT1 } from "../../interfaces/iVaultT1.sol";
import { BigMathMinified } from "../../../../libraries/bigMathMinified.sol";
import { TickMath } from "../../../../libraries/tickMath.sol";

/// @notice Fluid Vault protocol Admin Module contract.
///         Implements admin related methods to set configs such as liquidation params, rates
///         oracle address etc.
///         Methods are limited to be called via delegateCall only. Vault CoreModule ("VaultT1" contract)
///         is expected to call the methods implemented here after checking the msg.sender is authorized.
///         All methods update the exchange prices in storage before changing configs.
contract FluidVaultT1Admin is Variables, Events, Error {
    uint private constant X8 = 0xff;
    uint private constant X10 = 0x3ff;
    uint private constant X16 = 0xffff;
    uint private constant X19 = 0x7ffff;
    uint private constant X24 = 0xffffff;
    uint internal constant X64 = 0xffffffffffffffff;
    uint private constant X96 = 0xffffffffffffffffffffffff;
    address private constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    address private immutable addressThis;

    constructor() {
        addressThis = address(this);
    }

    modifier _verifyCaller() {
        if (address(this) == addressThis) {
            revert FluidVaultError(ErrorTypes.VaultT1Admin__OnlyDelegateCallAllowed);
        }
        _;
    }

    /// @dev updates exchange price on storage, called on all admin methods in combination with _verifyCaller modifier so
    /// only called by authorized delegatecall
    modifier _updateExchangePrice() {
        IFluidVaultT1(address(this)).updateExchangePricesOnStorage();
        _;
    }

    function _checkLiquidationMaxLimitAndPenalty(uint liquidationMaxLimit_, uint liquidationPenalty_) private pure {
        // liquidation max limit with penalty should not go above 99.7%
        // As liquidation with penalty can happen from liquidation Threshold to max limit
        // If it goes above 100% than that means liquidator is getting more collateral than user's available
        if ((liquidationMaxLimit_ + liquidationPenalty_) > 9970) {
            revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);
        }
    }

    /// @notice updates the supply rate magnifier to `supplyRateMagnifier_`. Input in 1e2 (1% = 100, 100% = 10_000).
    function updateSupplyRateMagnifier(uint supplyRateMagnifier_) public _updateExchangePrice _verifyCaller {
        emit LogUpdateSupplyRateMagnifier(supplyRateMagnifier_);

        if (supplyRateMagnifier_ > X16) revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);

        vaultVariables2 =
            (vaultVariables2 & 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000) |
            supplyRateMagnifier_;
    }

    /// @notice updates the borrow rate magnifier to `borrowRateMagnifier_`. Input in 1e2 (1% = 100, 100% = 10_000).
    function updateBorrowRateMagnifier(uint borrowRateMagnifier_) public _updateExchangePrice _verifyCaller {
        emit LogUpdateBorrowRateMagnifier(borrowRateMagnifier_);

        if (borrowRateMagnifier_ > X16) revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);

        vaultVariables2 =
            (vaultVariables2 & 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000ffff) |
            (borrowRateMagnifier_ << 16);
    }

    /// @notice updates the collateral factor to `collateralFactor_`. Input in 1e2 (1% = 100, 100% = 10_000).
    function updateCollateralFactor(uint collateralFactor_) public _updateExchangePrice _verifyCaller {
        emit LogUpdateCollateralFactor(collateralFactor_);

        uint vaultVariables2_ = vaultVariables2;
        uint liquidationThreshold_ = ((vaultVariables2_ >> 42) & X10);

        collateralFactor_ = collateralFactor_ / 10;

        if (collateralFactor_ >= liquidationThreshold_)
            revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);

        vaultVariables2 =
            (vaultVariables2_ & 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffc00ffffffff) |
            (collateralFactor_ << 32);
    }

    /// @notice updates the liquidation threshold to `liquidationThreshold_`. Input in 1e2 (1% = 100, 100% = 10_000).
    function updateLiquidationThreshold(uint liquidationThreshold_) public _updateExchangePrice _verifyCaller {
        emit LogUpdateLiquidationThreshold(liquidationThreshold_);

        uint vaultVariables2_ = vaultVariables2;
        uint collateralFactor_ = ((vaultVariables2_ >> 32) & X10);
        uint liquidationMaxLimit_ = ((vaultVariables2_ >> 52) & X10);

        liquidationThreshold_ = liquidationThreshold_ / 10;

        if ((collateralFactor_ >= liquidationThreshold_) || (liquidationThreshold_ >= liquidationMaxLimit_))
            revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);

        vaultVariables2 =
            (vaultVariables2_ & 0xfffffffffffffffffffffffffffffffffffffffffffffffffff003ffffffffff) |
            (liquidationThreshold_ << 42);
    }

    /// @notice updates the liquidation max limit to `liquidationMaxLimit_`. Input in 1e2 (1% = 100, 100% = 10_000).
    function updateLiquidationMaxLimit(uint liquidationMaxLimit_) public _updateExchangePrice _verifyCaller {
        emit LogUpdateLiquidationMaxLimit(liquidationMaxLimit_);

        uint vaultVariables2_ = vaultVariables2;
        uint liquidationThreshold_ = ((vaultVariables2_ >> 42) & X10);
        uint liquidationPenalty_ = ((vaultVariables2_ >> 72) & X10);

        // both are in 1e2 decimals (1e2 = 1%)
        _checkLiquidationMaxLimitAndPenalty(liquidationMaxLimit_, liquidationPenalty_);

        liquidationMaxLimit_ = liquidationMaxLimit_ / 10;

        if (liquidationThreshold_ >= liquidationMaxLimit_)
            revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);

        vaultVariables2 =
            (vaultVariables2_ & 0xffffffffffffffffffffffffffffffffffffffffffffffffc00fffffffffffff) |
            (liquidationMaxLimit_ << 52);
    }

    /// @notice updates the withdrawal gap to `withdrawGap_`. Input in 1e2 (1% = 100, 100% = 10_000).
    function updateWithdrawGap(uint withdrawGap_) public _updateExchangePrice _verifyCaller {
        emit LogUpdateWithdrawGap(withdrawGap_);

        withdrawGap_ = withdrawGap_ / 10;

        // withdrawGap must not be > 100%
        if (withdrawGap_ > 1000) revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);

        vaultVariables2 =
            (vaultVariables2 & 0xffffffffffffffffffffffffffffffffffffffffffffff003fffffffffffffff) |
            (withdrawGap_ << 62);
    }

    /// @notice updates the liquidation penalty to `liquidationPenalty_`. Input in 1e2 (1% = 100, 100% = 10_000).
    function updateLiquidationPenalty(uint liquidationPenalty_) public _updateExchangePrice _verifyCaller {
        emit LogUpdateLiquidationPenalty(liquidationPenalty_);

        uint vaultVariables2_ = vaultVariables2;
        uint liquidationMaxLimit_ = ((vaultVariables2_ >> 52) & X10);

        // Converting liquidationMaxLimit_ in 1e2 decimals (1e2 = 1%)
        _checkLiquidationMaxLimitAndPenalty((liquidationMaxLimit_ * 10), liquidationPenalty_);

        if (liquidationPenalty_ > X10) revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);

        vaultVariables2 =
            (vaultVariables2_ & 0xfffffffffffffffffffffffffffffffffffffffffffc00ffffffffffffffffff) |
            (liquidationPenalty_ << 72);
    }

    /// @notice updates the borrow fee to `borrowFee_`. Input in 1e2 (1% = 100, 100% = 10_000).
    function updateBorrowFee(uint borrowFee_) public _updateExchangePrice _verifyCaller {
        emit LogUpdateBorrowFee(borrowFee_);

        if (borrowFee_ > X10) revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);

        vaultVariables2 =
            (vaultVariables2 & 0xfffffffffffffffffffffffffffffffffffffffff003ffffffffffffffffffff) |
            (borrowFee_ << 82);
    }

    /// @notice updates the all Vault core settings according to input params.
    /// All input values are expected in 1e2 (1% = 100, 100% = 10_000).
    function updateCoreSettings(
        uint256 supplyRateMagnifier_,
        uint256 borrowRateMagnifier_,
        uint256 collateralFactor_,
        uint256 liquidationThreshold_,
        uint256 liquidationMaxLimit_,
        uint256 withdrawGap_,
        uint256 liquidationPenalty_,
        uint256 borrowFee_
    ) public _updateExchangePrice _verifyCaller {
        // emitting the event at the start as then we are updating numbers to store in a more optimized way
        emit LogUpdateCoreSettings(
            supplyRateMagnifier_,
            borrowRateMagnifier_,
            collateralFactor_,
            liquidationThreshold_,
            liquidationMaxLimit_,
            withdrawGap_,
            liquidationPenalty_,
            borrowFee_
        );

        _checkLiquidationMaxLimitAndPenalty(liquidationMaxLimit_, liquidationPenalty_);

        collateralFactor_ = collateralFactor_ / 10;
        liquidationThreshold_ = liquidationThreshold_ / 10;
        liquidationMaxLimit_ = liquidationMaxLimit_ / 10;
        withdrawGap_ = withdrawGap_ / 10;

        if (
            (supplyRateMagnifier_ > X16) ||
            (borrowRateMagnifier_ > X16) ||
            (collateralFactor_ >= liquidationThreshold_) ||
            (liquidationThreshold_ >= liquidationMaxLimit_) ||
            (withdrawGap_ > X10) ||
            (liquidationPenalty_ > X10) ||
            (borrowFee_ > X10)
        ) {
            revert FluidVaultError(ErrorTypes.VaultT1Admin__ValueAboveLimit);
        }

        vaultVariables2 =
            (vaultVariables2 & 0xfffffffffffffffffffffffffffffffffffffffff00000000000000000000000) |
            supplyRateMagnifier_ |
            (borrowRateMagnifier_ << 16) |
            (collateralFactor_ << 32) |
            (liquidationThreshold_ << 42) |
            (liquidationMaxLimit_ << 52) |
            (withdrawGap_ << 62) |
            (liquidationPenalty_ << 72) |
            (borrowFee_ << 82);
    }

    /// @notice updates the Vault oracle to `newOracle_`. Must implement the FluidOracle interface.
    function updateOracle(address newOracle_) public _updateExchangePrice _verifyCaller {
        if (newOracle_ == address(0)) revert FluidVaultError(ErrorTypes.VaultT1Admin__AddressZeroNotAllowed);

        // Removing current oracle by masking only first 96 bits then inserting new oracle as bits
        vaultVariables2 = (vaultVariables2 & X96) | (uint256(uint160(newOracle_)) << 96);

        emit LogUpdateOracle(newOracle_);
    }

    /// @notice updates the allowed rebalancer to `newRebalancer_`.
    function updateRebalancer(address newRebalancer_) public _updateExchangePrice _verifyCaller {
        if (newRebalancer_ == address(0)) revert FluidVaultError(ErrorTypes.VaultT1Admin__AddressZeroNotAllowed);

        rebalancer = newRebalancer_;

        emit LogUpdateRebalancer(newRebalancer_);
    }

    /// @notice sends any potentially stuck funds to Liquidity contract.
    /// @dev this contract never holds any funds as all operations send / receive funds from user <-> Liquidity.
    function rescueFunds(address token_) external _verifyCaller {
        if (token_ == NATIVE_TOKEN) {
            Address.sendValue(payable(IFluidVaultT1(address(this)).LIQUIDITY()), address(this).balance);
        } else {
            SafeERC20.safeTransfer(
                IERC20(token_),
                IFluidVaultT1(address(this)).LIQUIDITY(),
                IERC20(token_).balanceOf(address(this))
            );
        }

        emit LogRescueFunds(token_);
    }

    /// @notice absorbs accumulated dust debt
    /// @dev in decades if a lot of positions are 100% liquidated (aka absorbed) then dust debt can mount up
    /// which is basically sort of an extra revenue for the protocol.
    //
    // this function might never come in use that's why adding it in admin module
    function absorbDustDebt(uint[] memory nftIds_) public _verifyCaller {
        uint256 vaultVariables_ = vaultVariables;
        // re-entrancy check
        if (vaultVariables_ & 1 == 0) {
            // Updating on storage
            vaultVariables = vaultVariables_ | 1;
        } else {
            revert FluidVaultError(ErrorTypes.VaultT1__AlreadyEntered);
        }

        uint nftId_;
        uint posData_;
        int posTick_;
        uint tickId_;
        uint posCol_;
        uint posDebt_;
        uint posDustDebt_;
        uint tickData_;

        uint absorbedDustDebt_ = absorbedDustDebt;

        for (uint i = 0; i < nftIds_.length; ) {
            nftId_ = nftIds_[i];
            if (nftId_ == 0) {
                revert FluidVaultError(ErrorTypes.VaultT1Admin__NftIdShouldBeNonZero);
            }

            // user's position data
            posData_ = positionData[nftId_];

            if (posData_ == 0) {
                revert FluidVaultError(ErrorTypes.VaultT1Admin__NftNotOfThisVault);
            }

            posCol_ = (posData_ >> 45) & X64;
            // Converting big number into normal number
            posCol_ = (posCol_ >> 8) << (posCol_ & X8);

            posDustDebt_ = (posData_ >> 109) & X64;
            // Converting big number into normal number
            posDustDebt_ = (posDustDebt_ >> 8) << (posDustDebt_ & X8);

            if (posDustDebt_ == 0) {
                revert FluidVaultError(ErrorTypes.VaultT1Admin__DustDebtIsZero);
            }

            // borrow position (has collateral & debt)
            posTick_ = posData_ & 2 == 2 ? int((posData_ >> 2) & X19) : -int((posData_ >> 2) & X19);
            tickId_ = (posData_ >> 21) & X24;

            posDebt_ = (TickMath.getRatioAtTick(int24(posTick_)) * posCol_) >> 96;

            // Tick data from user's tick
            tickData_ = tickData[posTick_];

            // Checking if tick is liquidated OR if the total IDs of tick is greater than user's tick ID
            if (((tickData_ & 1) == 1) || (((tickData_ >> 1) & X24) > tickId_)) {
                // User got liquidated
                (, posDebt_, , , ) = IFluidVaultT1(address(this)).fetchLatestPosition(
                    posTick_,
                    tickId_,
                    posDebt_,
                    tickData_
                );
                if (posDebt_ > 0) {
                    revert FluidVaultError(ErrorTypes.VaultT1Admin__FinalDebtShouldBeZero);
                }
                // absorbing user's debt as it's 100% or almost 100% liquidated
                absorbedDustDebt_ = absorbedDustDebt_ + posDustDebt_;
                // making position as supply only
                positionData[nftId_] = 1;
            } else {
                revert FluidVaultError(ErrorTypes.VaultT1Admin__NftNotLiquidated);
            }

            unchecked {
                i++;
            }
        }

        if (absorbedDustDebt_ == 0) {
            revert FluidVaultError(ErrorTypes.VaultT1Admin__AbsorbedDustDebtIsZero);
        }

        uint totalBorrow_ = (vaultVariables_ >> 146) & X64;
        // Converting big number into normal number
        totalBorrow_ = (totalBorrow_ >> 8) << (totalBorrow_ & X8);
        // note: by default dust debt is not added into total borrow but on 100% liquidation (aka absorb) dust debt equivalent
        // is removed from total borrow so adding it back again here
        totalBorrow_ = totalBorrow_ + absorbedDustDebt_;
        totalBorrow_ = BigMathMinified.toBigNumber(totalBorrow_, 56, 8, BigMathMinified.ROUND_UP);

        // adding absorbed dust debt to total borrow so it will get included in the next rebalancing.
        // there is some fuzziness here as when the position got fully liquidated (aka absorbed) the exchange price was different
        // than what it'll be now. The fuzziness which will be extremely small so we can ignore it
        // updating on storage
        vaultVariables =
            (vaultVariables_ & 0xfffffffffffc0000000000000003ffffffffffffffffffffffffffffffffffff) |
            (totalBorrow_ << 146);

        // updating on storage
        absorbedDustDebt = 0;

        emit LogAbsorbDustDebt(nftIds_, absorbedDustDebt_);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

abstract contract Structs {
    struct AddressBool {
        address addr;
        bool value;
    }

    struct AddressUint256 {
        address addr;
        uint256 value;
    }

    /// @notice struct to set borrow rate data for version 1
    struct RateDataV1Params {
        ///
        /// @param token for rate data
        address token;
        ///
        /// @param kink in borrow rate. in 1e2: 100% = 10_000; 1% = 100
        /// utilization below kink usually means slow increase in rate, once utilization is above kink borrow rate increases fast
        uint256 kink;
        ///
        /// @param rateAtUtilizationZero desired borrow rate when utilization is zero. in 1e2: 100% = 10_000; 1% = 100
        /// i.e. constant minimum borrow rate
        /// e.g. at utilization = 0.01% rate could still be at least 4% (rateAtUtilizationZero would be 400 then)
        uint256 rateAtUtilizationZero;
        ///
        /// @param rateAtUtilizationKink borrow rate when utilization is at kink. in 1e2: 100% = 10_000; 1% = 100
        /// e.g. when rate should be 7% at kink then rateAtUtilizationKink would be 700
        uint256 rateAtUtilizationKink;
        ///
        /// @param rateAtUtilizationMax borrow rate when utilization is maximum at 100%. in 1e2: 100% = 10_000; 1% = 100
        /// e.g. when rate should be 125% at 100% then rateAtUtilizationMax would be 12_500
        uint256 rateAtUtilizationMax;
    }

    /// @notice struct to set borrow rate data for version 2
    struct RateDataV2Params {
        ///
        /// @param token for rate data
        address token;
        ///
        /// @param kink1 first kink in borrow rate. in 1e2: 100% = 10_000; 1% = 100
        /// utilization below kink 1 usually means slow increase in rate, once utilization is above kink 1 borrow rate increases faster
        uint256 kink1;
        ///
        /// @param kink2 second kink in borrow rate. in 1e2: 100% = 10_000; 1% = 100
        /// utilization below kink 2 usually means slow / medium increase in rate, once utilization is above kink 2 borrow rate increases fast
        uint256 kink2;
        ///
        /// @param rateAtUtilizationZero desired borrow rate when utilization is zero. in 1e2: 100% = 10_000; 1% = 100
        /// i.e. constant minimum borrow rate
        /// e.g. at utilization = 0.01% rate could still be at least 4% (rateAtUtilizationZero would be 400 then)
        uint256 rateAtUtilizationZero;
        ///
        /// @param rateAtUtilizationKink1 desired borrow rate when utilization is at first kink. in 1e2: 100% = 10_000; 1% = 100
        /// e.g. when rate should be 7% at first kink then rateAtUtilizationKink would be 700
        uint256 rateAtUtilizationKink1;
        ///
        /// @param rateAtUtilizationKink2 desired borrow rate when utilization is at second kink. in 1e2: 100% = 10_000; 1% = 100
        /// e.g. when rate should be 7% at second kink then rateAtUtilizationKink would be 1_200
        uint256 rateAtUtilizationKink2;
        ///
        /// @param rateAtUtilizationMax desired borrow rate when utilization is maximum at 100%. in 1e2: 100% = 10_000; 1% = 100
        /// e.g. when rate should be 125% at 100% then rateAtUtilizationMax would be 12_500
        uint256 rateAtUtilizationMax;
    }

    /// @notice struct to set token config
    struct TokenConfig {
        ///
        /// @param token address
        address token;
        ///
        /// @param fee charges on borrower's interest. in 1e2: 100% = 10_000; 1% = 100
        uint256 fee;
        ///
        /// @param threshold on when to update the storage slot. in 1e2: 100% = 10_000; 1% = 100
        uint256 threshold;
        ///
        /// @param maxUtilization maximum allowed utilization. in 1e2: 100% = 10_000; 1% = 100
        ///                       set to 100% to disable and have default limit of 100% (avoiding SLOAD).
        uint256 maxUtilization;
    }

    /// @notice struct to set user supply & withdrawal config
    struct UserSupplyConfig {
        ///
        /// @param user address
        address user;
        ///
        /// @param token address
        address token;
        ///
        /// @param mode: 0 = without interest. 1 = with interest
        uint8 mode;
        ///
        /// @param expandPercent withdrawal limit expand percent. in 1e2: 100% = 10_000; 1% = 100
        /// Also used to calculate rate at which withdrawal limit should decrease (instant).
        uint256 expandPercent;
        ///
        /// @param expandDuration withdrawal limit expand duration in seconds.
        /// used to calculate rate together with expandPercent
        uint256 expandDuration;
        ///
        /// @param baseWithdrawalLimit base limit, below this, user can withdraw the entire amount.
        /// amount in raw (to be multiplied with exchange price) or normal depends on configured mode in user config for the token:
        /// with interest -> raw, without interest -> normal
        uint256 baseWithdrawalLimit;
    }

    /// @notice struct to set user borrow & payback config
    struct UserBorrowConfig {
        ///
        /// @param user address
        address user;
        ///
        /// @param token address
        address token;
        ///
        /// @param mode: 0 = without interest. 1 = with interest
        uint8 mode;
        ///
        /// @param expandPercent debt limit expand percent. in 1e2: 100% = 10_000; 1% = 100
        /// Also used to calculate rate at which debt limit should decrease (instant).
        uint256 expandPercent;
        ///
        /// @param expandDuration debt limit expand duration in seconds.
        /// used to calculate rate together with expandPercent
        uint256 expandDuration;
        ///
        /// @param baseDebtCeiling base borrow limit. until here, borrow limit remains as baseDebtCeiling
        /// (user can borrow until this point at once without stepped expansion). Above this, automated limit comes in place.
        /// amount in raw (to be multiplied with exchange price) or normal depends on configured mode in user config for the token:
        /// with interest -> raw, without interest -> normal
        uint256 baseDebtCeiling;
        ///
        /// @param maxDebtCeiling max borrow ceiling, maximum amount the user can borrow.
        /// amount in raw (to be multiplied with exchange price) or normal depends on configured mode in user config for the token:
        /// with interest -> raw, without interest -> normal
        uint256 maxDebtCeiling;
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

/// @title library that calculates number "tick" and "ratioX96" from this: ratioX96 = (1.0015^tick) * 2^96
/// @notice this library is used in Fluid Vault protocol for optimiziation.
/// @dev "tick" supports between -32767 and 32767. "ratioX96" supports between 37075072 and 169307877264527972847801929085841449095838922544595
library TickMath {
    /// The minimum tick that can be passed in getRatioAtTick. 1.0015**-32767
    int24 internal constant MIN_TICK = -32767;
    /// The maximum tick that can be passed in getRatioAtTick. 1.0015**32767
    int24 internal constant MAX_TICK = 32767;

    uint256 internal constant FACTOR00 = 0x100000000000000000000000000000000;
    uint256 internal constant FACTOR01 = 0xff9dd7de423466c20352b1246ce4856f; // 2^128/1.0015**1 = 339772707859149738855091969477551883631
    uint256 internal constant FACTOR02 = 0xff3bd55f4488ad277531fa1c725a66d0; // 2^128/1.0015**2 = 339263812140938331358054887146831636176
    uint256 internal constant FACTOR03 = 0xfe78410fd6498b73cb96a6917f853259; // 2^128/1.0015**4 = 338248306163758188337119769319392490073
    uint256 internal constant FACTOR04 = 0xfcf2d9987c9be178ad5bfeffaa123273; // 2^128/1.0015**8 = 336226404141693512316971918999264834163
    uint256 internal constant FACTOR05 = 0xf9ef02c4529258b057769680fc6601b3; // 2^128/1.0015**16 = 332218786018727629051611634067491389875
    uint256 internal constant FACTOR06 = 0xf402d288133a85a17784a411f7aba082; // 2^128/1.0015**32 = 324346285652234375371948336458280706178
    uint256 internal constant FACTOR07 = 0xe895615b5beb6386553757b0352bda90; // 2^128/1.0015**64 = 309156521885964218294057947947195947664
    uint256 internal constant FACTOR08 = 0xd34f17a00ffa00a8309940a15930391a; // 2^128/1.0015**128 = 280877777739312896540849703637713172762 
    uint256 internal constant FACTOR09 = 0xae6b7961714e20548d88ea5123f9a0ff; // 2^128/1.0015**256 = 231843708922198649176471782639349113087
    uint256 internal constant FACTOR10 = 0x76d6461f27082d74e0feed3b388c0ca1; // 2^128/1.0015**512 = 157961477267171621126394973980180876449
    uint256 internal constant FACTOR11 = 0x372a3bfe0745d8b6b19d985d9a8b85bb; // 2^128/1.0015**1024 = 73326833024599564193373530205717235131
    uint256 internal constant FACTOR12 = 0x0be32cbee48979763cf7247dd7bb539d; // 2^128/1.0015**2048 = 15801066890623697521348224657638773661
    uint256 internal constant FACTOR13 = 0x8d4f70c9ff4924dac37612d1e2921e;   // 2^128/1.0015**4096 = 733725103481409245883800626999235102
    uint256 internal constant FACTOR14 = 0x4e009ae5519380809a02ca7aec77;     // 2^128/1.0015**8192 = 1582075887005588088019997442108535
    uint256 internal constant FACTOR15 = 0x17c45e641b6e95dee056ff10;         // 2^128/1.0015**16384 = 7355550435635883087458926352

    /// The minimum value that can be returned from getRatioAtTick. Equivalent to getRatioAtTick(MIN_TICK). ~ Equivalent to `(1 << 96) * (1.0015**-32767)`
    uint256 internal constant MIN_RATIOX96 = 37075072;
    /// The maximum value that can be returned from getRatioAtTick. Equivalent to getRatioAtTick(MAX_TICK).
    /// ~ Equivalent to `(1 << 96) * (1.0015**32767)`, rounding etc. leading to minor difference
    uint256 internal constant MAX_RATIOX96 = 169307877264527972847801929085841449095838922544595;

    uint256 internal constant ZERO_TICK_SCALED_RATIO = 0x1000000000000000000000000; // 1 << 96 // 79228162514264337593543950336
    uint256 internal constant _1E26 = 1e26;

    /// @notice ratioX96 = (1.0015^tick) * 2^96
    /// @dev Throws if |tick| > max tick
    /// @param tick The input tick for the above formula
    /// @return ratioX96 ratio = (debt amount/collateral amount)
    function getRatioAtTick(int tick) internal pure returns (uint256 ratioX96) {
        assembly {
            let absTick_ := sub(xor(tick, sar(255, tick)), sar(255, tick))

            if gt(absTick_, MAX_TICK) {
                revert(0, 0)
            }
            let factor_ := FACTOR00
            if and(absTick_, 0x1) {
                factor_ := FACTOR01
            }
            if and(absTick_, 0x2) {
                factor_ := shr(128, mul(factor_, FACTOR02))
            }
            if and(absTick_, 0x4) {
                factor_ := shr(128, mul(factor_, FACTOR03))
            }
            if and(absTick_, 0x8) {
                factor_ := shr(128, mul(factor_, FACTOR04))
            }
            if and(absTick_, 0x10) {
                factor_ := shr(128, mul(factor_, FACTOR05))
            }
            if and(absTick_, 0x20) {
                factor_ := shr(128, mul(factor_, FACTOR06))
            }
            if and(absTick_, 0x40) {
                factor_ := shr(128, mul(factor_, FACTOR07))
            }
            if and(absTick_, 0x80) {
                factor_ := shr(128, mul(factor_, FACTOR08))
            }
            if and(absTick_, 0x100) {
                factor_ := shr(128, mul(factor_, FACTOR09))
            }
            if and(absTick_, 0x200) {
                factor_ := shr(128, mul(factor_, FACTOR10))
            }
            if and(absTick_, 0x400) {
                factor_ := shr(128, mul(factor_, FACTOR11))
            }
            if and(absTick_, 0x800) {
                factor_ := shr(128, mul(factor_, FACTOR12))
            }
            if and(absTick_, 0x1000) {
                factor_ := shr(128, mul(factor_, FACTOR13))
            }
            if and(absTick_, 0x2000) {
                factor_ := shr(128, mul(factor_, FACTOR14))
            }
            if and(absTick_, 0x4000) {
                factor_ := shr(128, mul(factor_, FACTOR15))
            }

            let precision_ := 0
            if iszero(and(tick, 0x8000000000000000000000000000000000000000000000000000000000000000)) {
                factor_ := div(0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, factor_)
                // we round up in the division so getTickAtRatio of the output price is always consistent
                if mod(factor_, 0x100000000) {
                    precision_ := 1
                }
            }
            ratioX96 := add(shr(32, factor_), precision_)
        }
    }

    /// @notice ratioX96 = (1.0015^tick) * 2^96
    /// @dev Throws if ratioX96 > max ratio || ratioX96 < min ratio
    /// @param ratioX96 The input ratio; ratio = (debt amount/collateral amount)
    /// @return tick The output tick for the above formula. Returns in round down form. if tick is 123.23 then 123, if tick is -123.23 then returns -124
    /// @return perfectRatioX96 perfect ratio for the above tick
    function getTickAtRatio(uint256 ratioX96) internal pure returns (int tick, uint perfectRatioX96) {
        assembly {
            if or(gt(ratioX96, MAX_RATIOX96), lt(ratioX96, MIN_RATIOX96)) {
                revert(0, 0)
            }

            let cond := lt(ratioX96, ZERO_TICK_SCALED_RATIO)
            let factor_

            if iszero(cond) {
                // if ratioX96 >= ZERO_TICK_SCALED_RATIO
                factor_ := div(mul(ratioX96, _1E26), ZERO_TICK_SCALED_RATIO)
            }
            if cond {
                // ratioX96 < ZERO_TICK_SCALED_RATIO
                factor_ := div(mul(ZERO_TICK_SCALED_RATIO, _1E26), ratioX96)
            }

            // put in https://www.wolframalpha.com/ whole equation: (1.0015^tick) * 2^96 * 10^26 / 79228162514264337593543950336

            // for tick = 16384
            // ratioX96 = (1.0015^16384) * 2^96 = 3665252098134783297721995888537077351735
            // 3665252098134783297721995888537077351735 * 10^26 / 79228162514264337593543950336 =
            // 4626198540796508716348404308345255985.06131964639489434655721
            if iszero(lt(factor_, 4626198540796508716348404308345255985)) {
                tick := or(tick, 0x4000)
                factor_ := div(mul(factor_, _1E26), 4626198540796508716348404308345255985)
            }
            // for tick = 8192
            // ratioX96 = (1.0015^8192) * 2^96 = 17040868196391020479062776466509865
            // 17040868196391020479062776466509865 * 10^26 / 79228162514264337593543950336 =
            // 21508599537851153911767490449162.3037648642153898377655505172
            if iszero(lt(factor_, 21508599537851153911767490449162)) {
                tick := or(tick, 0x2000)
                factor_ := div(mul(factor_, _1E26), 21508599537851153911767490449162)
            }
            // for tick = 4096
            // ratioX96 = (1.0015^4096) * 2^96 = 36743933851015821532611831851150
            // 36743933851015821532611831851150 * 10^26 / 79228162514264337593543950336 =
            // 46377364670549310883002866648.9777607649742626173648716941385
            if iszero(lt(factor_, 46377364670549310883002866649)) {
                tick := or(tick, 0x1000)
                factor_ := div(mul(factor_, _1E26), 46377364670549310883002866649)
            }
            // for tick = 2048
            // ratioX96 = (1.0015^2048) * 2^96 = 1706210527034005899209104452335
            // 1706210527034005899209104452335 * 10^26 / 79228162514264337593543950336 =
            // 2153540449365864845468344760.06357108484096046743300420319322
            if iszero(lt(factor_, 2153540449365864845468344760)) {
                tick := or(tick, 0x800)
                factor_ := div(mul(factor_, _1E26), 2153540449365864845468344760)
            }
            // for tick = 1024
            // ratioX96 = (1.0015^1024) * 2^96 = 367668226692760093024536487236
            // 367668226692760093024536487236 * 10^26 / 79228162514264337593543950336 =
            // 464062544207767844008185024.950588990554136265212906454481127
            if iszero(lt(factor_, 464062544207767844008185025)) {
                tick := or(tick, 0x400)
                factor_ := div(mul(factor_, _1E26), 464062544207767844008185025)
            }
            // for tick = 512
            // ratioX96 = (1.0015^512) * 2^96 = 170674186729409605620119663668
            // 170674186729409605620119663668 * 10^26 / 79228162514264337593543950336 =
            // 215421109505955298802281577.031879604792139232258508172947569
            if iszero(lt(factor_, 215421109505955298802281577)) {
                tick := or(tick, 0x200)
                factor_ := div(mul(factor_, _1E26), 215421109505955298802281577)
            }
            // for tick = 256
            // ratioX96 = (1.0015^256) * 2^96 = 116285004205991934861656513301
            // 116285004205991934861656513301 * 10^26 / 79228162514264337593543950336 =
            // 146772309890508740607270614.667650899656438875541505058062410
            if iszero(lt(factor_, 146772309890508740607270615)) {
                tick := or(tick, 0x100)
                factor_ := div(mul(factor_, _1E26), 146772309890508740607270615)
            }
            // for tick = 128
            // ratioX96 = (1.0015^128) * 2^96 = 95984619659632141743747099590
            // 95984619659632141743747099590 * 10^26 / 79228162514264337593543950336 =
            // 121149622323187099817270416.157248837742741760456796835775887
            if iszero(lt(factor_, 121149622323187099817270416)) {
                tick := or(tick, 0x80)
                factor_ := div(mul(factor_, _1E26), 121149622323187099817270416)
            }
            // for tick = 64
            // ratioX96 = (1.0015^64) * 2^96 = 87204845308406958006717891124
            // 87204845308406958006717891124 * 10^26 / 79228162514264337593543950336 =
            // 110067989135437147685980801.568068573422377364214113968609839
            if iszero(lt(factor_, 110067989135437147685980801)) {
                tick := or(tick, 0x40)
                factor_ := div(mul(factor_, _1E26), 110067989135437147685980801)
            }
            // for tick = 32
            // ratioX96 = (1.0015^32) * 2^96 = 83120873769022354029916374475
            // 83120873769022354029916374475 * 10^26 / 79228162514264337593543950336 =
            // 104913292358707887270979599.831816586773651266562785765558183
            if iszero(lt(factor_, 104913292358707887270979600)) {
                tick := or(tick, 0x20)
                factor_ := div(mul(factor_, _1E26), 104913292358707887270979600)
            }
            // for tick = 16
            // ratioX96 = (1.0015^16) * 2^96 = 81151180492336368327184716176
            // 81151180492336368327184716176 * 10^26 / 79228162514264337593543950336 =
            // 102427189924701091191840927.762844039579442328381455567932128
            if iszero(lt(factor_, 102427189924701091191840928)) {
                tick := or(tick, 0x10)
                factor_ := div(mul(factor_, _1E26), 102427189924701091191840928)
            }
            // for tick = 8
            // ratioX96 = (1.0015^8) * 2^96 = 80183906840906820640659903620
            // 80183906840906820640659903620 * 10^26 / 79228162514264337593543950336 =
            // 101206318935480056907421312.890625
            if iszero(lt(factor_, 101206318935480056907421313)) {
                tick := or(tick, 0x8)
                factor_ := div(mul(factor_, _1E26), 101206318935480056907421313)
            }
            // for tick = 4
            // ratioX96 = (1.0015^4) * 2^96 = 79704602139525152702959747603
            // 79704602139525152702959747603 * 10^26 / 79228162514264337593543950336 =
            // 100601351350506250000000000
            if iszero(lt(factor_, 100601351350506250000000000)) {
                tick := or(tick, 0x4)
                factor_ := div(mul(factor_, _1E26), 100601351350506250000000000)
            }
            // for tick = 2
            // ratioX96 = (1.0015^2) * 2^96 = 79466025265172787701084167660
            // 79466025265172787701084167660 * 10^26 / 79228162514264337593543950336 =
            // 100300225000000000000000000
            if iszero(lt(factor_, 100300225000000000000000000)) {
                tick := or(tick, 0x2)
                factor_ := div(mul(factor_, _1E26), 100300225000000000000000000)
            }
            // for tick = 1
            // ratioX96 = (1.0015^1) * 2^96 = 79347004758035734099934266261
            // 79347004758035734099934266261 * 10^26 / 79228162514264337593543950336 =
            // 100150000000000000000000000
            if iszero(lt(factor_, 100150000000000000000000000)) {
                tick := or(tick, 0x1)
                factor_ := div(mul(factor_, _1E26), 100150000000000000000000000)
            }
            if iszero(cond) {
                // if ratioX96 >= ZERO_TICK_SCALED_RATIO
                perfectRatioX96 := div(mul(ratioX96, _1E26), factor_)
            }
            if cond {
                // ratioX96 < ZERO_TICK_SCALED_RATIO
                tick := not(tick)
                perfectRatioX96 := div(mul(ratioX96, factor_), 100150000000000000000000000)
            }
            // perfect ratio should always be <= ratioX96
            // not sure if it can ever be bigger but better to have extra checks
            if gt(perfectRatioX96, ratioX96) {
                revert(0, 0)
            }
        }
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;

contract Variables {
    /***********************************|
    |         Storage Variables         |
    |__________________________________*/

    /// note: in all variables. For tick >= 0 are represented with bit as 1, tick < 0 are represented with bit as 0
    /// note: read all the variables through storageRead.sol

    /// note: vaultVariables contains vault variables which need regular updates through transactions
    /// First 1 bit => 0 => re-entrancy. If 0 then allow transaction to go, else throw.
    /// Next 1 bit => 1 => Is the current active branch liquidated? If true then check the branch's minima tick before creating a new position
    /// If the new tick is greater than minima tick then initialize a new branch, make that as current branch & do proper linking
    /// Next 1 bit => 2 => sign of topmost tick (0 -> negative; 1 -> positive)
    /// Next 19 bits => 3-21 => absolute value of topmost tick
    /// Next 30 bits => 22-51 => current branch ID
    /// Next 30 bits => 52-81 => total branch ID
    /// Next 64 bits => 82-145 => Total supply
    /// Next 64 bits => 146-209 => Total borrow
    /// Next 32 bits => 210-241 => Total positions
    uint256 internal vaultVariables;

    /// note: vaultVariables2 contains variables which do not update on every transaction. So mainly admin/auth set amount
    /// First 16 bits => 0-15 => supply rate magnifier; 10000 = 1x (Here 16 bits should be more than enough)
    /// Next 16 bits => 16-31 => borrow rate magnifier; 10000 = 1x (Here 16 bits should be more than enough)
    /// Next 10 bits => 32-41 => collateral factor. 800 = 0.8 = 80% (max precision of 0.1%)
    /// Next 10 bits => 42-51 => liquidation Threshold. 900 = 0.9 = 90% (max precision of 0.1%)
    /// Next 10 bits => 52-61 => liquidation Max Limit. 950 = 0.95 = 95% (max precision of 0.1%) (above this 100% liquidation can happen)
    /// Next 10 bits => 62-71 => withdraw gap. 100 = 0.1 = 10%. (max precision of 0.1%) (max 7 bits can also suffice for the requirement here of 0.1% to 10%). Needed to save some limits on withdrawals so liquidate can work seamlessly.
    /// Next 10 bits => 72-81 => liquidation penalty. 100 = 0.01 = 1%. (max precision of 0.01%) (max liquidation penantly can be 10.23%). Applies when tick is in between liquidation Threshold & liquidation Max Limit.
    /// Next 10 bits => 82-91 => borrow fee. 100 = 0.01 = 1%. (max precision of 0.01%) (max borrow fee can be 10.23%). Fees on borrow.
    /// Next 4  bits => 92-95 => empty
    /// Next 160 bits => 96-255 => Oracle address
    uint256 internal vaultVariables2;

    /// note: stores absorbed liquidity
    /// First 128 bits raw debt amount
    /// last 128 bits raw col amount
    uint256 internal absorbedLiquidity;

    /// position index => position data uint
    /// if the entire variable is 0 (meaning not initialized) at the start that means no position at all
    /// First 1 bit => 0 => position type (0 => borrow position; 1 => supply position)
    /// Next 1 bit => 1 => sign of user's tick (0 => negative; 1 => positive)
    /// Next 19 bits => 2-20 => absolute value of user's tick
    /// Next 24 bits => 21-44 => user's tick's id
    /// Below we are storing user's collateral & not debt, because the position can also be only collateral with no tick but it can never be only debt
    /// Next 64 bits => 45-108 => user's supply amount. Debt will be calculated through supply & ratio.
    /// Next 64 bits => 109-172 => user's dust debt amount. User's net debt = total debt - dust amount. Total debt is calculated through supply & ratio
    /// User won't pay any extra interest on dust debt & hence we will not show it as a debt on UI. For user's there's no dust.
    mapping(uint256 => uint256) internal positionData;

    /// Tick has debt only keeps data of non liquidated positions. liquidated tick's data stays in branch itself
    /// tick parent => uint (represents bool for 256 children)
    /// parent of (i)th tick:-
    /// if (i>=0) (i / 256);
    /// else ((i + 1) / 256) - 1
    /// first bit of the variable is the smallest tick & last bit is the biggest tick of that slot
    mapping(int256 => uint256) internal tickHasDebt;

    /// mapping tickId => tickData
    /// Tick related data. Total debt & other things
    /// First bit => 0 => If 1 then liquidated else not liquidated
    /// Next 24 bits => 1-24 => Total IDs. ID should start from 1.
    /// If not liquidated:
    /// Next 64 bits => 25-88 => raw debt
    /// If liquidated
    /// The below 3 things are of last ID. This is to be updated when user creates a new position
    /// Next 1 bit => 25 => Is 100% liquidated? If this is 1 meaning it was above max tick when it got liquidated (100% liquidated)
    /// Next 30 bits => 26-55 => branch ID where this tick got liquidated
    /// Next 50 bits => 56-105 => debt factor 50 bits (35 bits coefficient | 15 bits expansion)
    mapping(int256 => uint256) internal tickData;

    /// tick id => previous tick id liquidation data. ID starts from 1
    /// One tick ID contains 3 IDs of 80 bits in it, holding liquidation data of previously active but liquidated ticks
    /// 81 bits data below
    /// #### First 85 bits ####
    /// 1st bit => 0 => Is 100% liquidated? If this is 1 meaning it was above max tick when it got liquidated
    /// Next 30 bits => 1-30 => branch ID where this tick got liquidated
    /// Next 50 bits => 31-80 => debt factor 50 bits (35 bits coefficient | 15 bits expansion)
    /// #### Second 85 bits ####
    /// 85th bit => 85 => Is 100% liquidated? If this is 1 meaning it was above max tick when it got liquidated
    /// Next 30 bits => 86-115 => branch ID where this tick got liquidated
    /// Next 50 bits => 116-165 => debt factor 50 bits (35 bits coefficient | 15 bits expansion)
    /// #### Third 85 bits ####
    /// 170th bit => 170 => Is 100% liquidated? If this is 1 meaning it was above max tick when it got liquidated
    /// Next 30 bits => 171-200 => branch ID where this tick got liquidated
    /// Next 50 bits => 201-250 => debt factor 50 bits (35 bits coefficient | 15 bits expansion)
    mapping(int256 => mapping(uint256 => uint256)) internal tickId;

    /// mapping branchId => branchData
    /// First 2 bits => 0-1 => if 0 then not liquidated, if 1 then liquidated, if 2 then merged, if 3 then closed
    /// merged means the branch is merged into it's base branch
    /// closed means all the users are 100% liquidated
    /// Next 1 bit => 2 => minima tick sign of this branch. Will only be there if any liquidation happened.
    /// Next 19 bits => 3-21 => minima tick of this branch. Will only be there if any liquidation happened.
    /// Next 30 bits => 22-51 => Partials of minima tick of branch this is connected to. 0 if master branch.
    /// Next 64 bits => 52-115 Debt liquidity at this branch. Similar to last's top tick data. Remaining debt will move here from tickData after first liquidation
    /// If not merged
    /// Next 50 bits => 116-165 => Debt factor or of this branch. (35 bits coefficient | 15 bits expansion)
    /// If merged
    /// Next 50 bits => 116-165 => Connection/adjustment debt factor of this branch with the next branch.
    /// If closed
    /// Next 50 bits => 116-165 => Debt factor as 0. As all the user's positions are now fully gone
    /// following values are present always again (merged / not merged / closed)
    /// Next 30 bits => 166-195 => Branch's ID with which this branch is connected. If 0 then that means this is the master branch
    /// Next 1 bit => 196 => sign of minima tick of branch this is connected to. 0 if master branch.
    /// Next 19 bits => 197-215 => minima tick of branch this is connected to. 0 if master branch.
    mapping(uint256 => uint256) internal branchData;

    /// Exchange prices are in 1e12
    /// First 64 bits => 0-63 => Liquidity's collateral token supply exchange price
    /// First 64 bits => 64-127 => Liquidity's debt token borrow exchange price
    /// First 64 bits => 128-191 => Vault's collateral token supply exchange price
    /// First 64 bits => 192-255 => Vault's debt token borrow exchange price
    uint256 internal rates;

    /// address of rebalancer
    address internal rebalancer;

    uint256 internal absorbedDustDebt;
}

{
  "compilationTarget": {
    "contracts/protocols/vault/rewards/main.sol": "FluidVaultRewards"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 10000000
  },
  "remappings": []
}