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// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "../../../AdministrationContracts/AcceptableRegistryImplementationClaimableAdmin.sol";
import "../LexPool/LexPoolStorage.sol";

/**
 * @title LexPoolProxy
 * @dev Used as the upgradable lex pool of the Lynx platform
 */
contract PoolAccountantProxy is AcceptableRegistryImplementationClaimableAdmin {
  constructor(
    address _registry,
    address _initialAdmin
  )
    AcceptableRegistryImplementationClaimableAdmin(
      _registry,
      "PoolAccountant",
      _initialAdmin
    )
  {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;

    mapping(address account => mapping(address spender => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     * ```
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

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

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "./AcceptableImplementationClaimableAdminStorage.sol";

/**
 * @title SafeUpgradeableClaimableAdmin
 * @dev based on Compound's Unitroller
 * https://github.com/compound-finance/compound-protocol/blob/a3214f67b73310d547e00fc578e8355911c9d376/contracts/Unitroller.sol
 */
contract AcceptableImplementationClaimableAdmin is
  AcceptableImplementationClaimableAdminStorage
{
  /**
   * @notice Emitted when pendingImplementation is changed
   */
  event NewPendingImplementation(
    address oldPendingImplementation,
    address newPendingImplementation
  );

  /**
   * @notice Emitted when pendingImplementation is accepted, which means delegation implementation is updated
   */
  event NewImplementation(address oldImplementation, address newImplementation);

  /**
   * @notice Emitted when pendingAdmin is changed
   */
  event NewPendingAdmin(address oldPendingAdmin, address newPendingAdmin);

  /**
   * @notice Emitted when pendingAdmin is accepted, which means admin is updated
   */
  event NewAdmin(address oldAdmin, address newAdmin);

  /*** Admin Functions ***/
  function _setPendingImplementation(address newPendingImplementation) public {
    require(msg.sender == admin, "not admin");
    require(
      approvePendingImplementationInternal(newPendingImplementation),
      "INVALID_IMPLEMENTATION"
    );

    address oldPendingImplementation = pendingImplementation;

    pendingImplementation = newPendingImplementation;

    emit NewPendingImplementation(
      oldPendingImplementation,
      pendingImplementation
    );
  }

  /**
   * @notice Accepts new implementation. msg.sender must be pendingImplementation
   * @dev Admin function for new implementation to accept it's role as implementation
   */
  function _acceptImplementation() public returns (uint) {
    // Check caller is pendingImplementation and pendingImplementation ≠ address(0)
    require(
      msg.sender == pendingImplementation &&
        pendingImplementation != address(0),
      "Not the EXISTING pending implementation"
    );

    // Save current values for inclusion in log
    address oldImplementation = implementation;
    address oldPendingImplementation = pendingImplementation;

    implementation = pendingImplementation;

    pendingImplementation = address(0);

    emit NewImplementation(oldImplementation, implementation);
    emit NewPendingImplementation(
      oldPendingImplementation,
      pendingImplementation
    );

    return 0;
  }

  /**
   * @notice Begins transfer of admin rights. The newPendingAdmin must call `_acceptAdmin` to finalize the transfer.
   * @dev Admin function to begin change of admin. The newPendingAdmin must call `_acceptAdmin` to finalize the transfer.
   * @param newPendingAdmin New pending admin.
   */
  function _setPendingAdmin(address newPendingAdmin) public {
    // Check caller = admin
    require(msg.sender == admin, "Not Admin");

    // Save current value, if any, for inclusion in log
    address oldPendingAdmin = pendingAdmin;

    // Store pendingAdmin with value newPendingAdmin
    pendingAdmin = newPendingAdmin;

    // Emit NewPendingAdmin(oldPendingAdmin, newPendingAdmin)
    emit NewPendingAdmin(oldPendingAdmin, newPendingAdmin);
  }

  /**
   * @notice Accepts transfer of admin rights. msg.sender must be pendingAdmin
   * @dev Admin function for pending admin to accept role and update admin
   */
  function _acceptAdmin() public {
    // Check caller is pendingAdmin and pendingAdmin ≠ address(0)
    require(
      msg.sender == pendingAdmin && pendingAdmin != address(0),
      "Not the EXISTING pending admin"
    );

    // Save current values for inclusion in log
    address oldAdmin = admin;
    address oldPendingAdmin = pendingAdmin;

    // Store admin with value pendingAdmin
    admin = pendingAdmin;

    // Clear the pending value
    pendingAdmin = address(0);

    emit NewAdmin(oldAdmin, admin);
    emit NewPendingAdmin(oldPendingAdmin, pendingAdmin);
  }

  constructor(address _initialAdmin) {
    admin = _initialAdmin;
    emit NewAdmin(address(0), _initialAdmin);
  }

  /**
   * @dev Delegates execution to an implementation contract.
   * It returns to the external caller whatever the implementation returns
   * or forwards reverts.
   */
  fallback() external payable {
    // delegate all other functions to current implementation
    (bool success, ) = implementation.delegatecall(msg.data);

    assembly {
      let free_mem_ptr := mload(0x40)
      returndatacopy(free_mem_ptr, 0, returndatasize())

      switch success
      case 0 {
        revert(free_mem_ptr, returndatasize())
      }
      default {
        return(free_mem_ptr, returndatasize())
      }
    }
  }

  receive() external payable {}

  function approvePendingImplementationInternal(
    address // _implementation
  ) internal virtual returns (bool) {
    return true;
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

contract ClaimableAdminStorage {
  /**
   * @notice Administrator for this contract
   */
  address public admin;

  /**
   * @notice Pending administrator for this contract
   */
  address public pendingAdmin;

  /*** Modifiers ***/

  modifier onlyAdmin() {
    require(msg.sender == admin, "ONLY_ADMIN");
    _;
  }

  /*** Constructor ***/

  constructor() {
    // Set admin to caller
    admin = msg.sender;
  }
}

contract AcceptableImplementationClaimableAdminStorage is
  ClaimableAdminStorage
{
  /**
   * @notice Active logic
   */
  address public implementation;

  /**
   * @notice Pending logic
   */
  address public pendingImplementation;
}

contract AcceptableRegistryImplementationClaimableAdminStorage is
  AcceptableImplementationClaimableAdminStorage
{
  /**
   * @notice System Registry
   */
  address public registry;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "./AcceptableImplementationClaimableAdmin.sol";
import "./IContractRegistryBase.sol";

/**
 * @title AcceptableRegistryImplementationClaimableAdmin
 */
contract AcceptableRegistryImplementationClaimableAdmin is
  AcceptableImplementationClaimableAdmin,
  AcceptableRegistryImplementationClaimableAdminStorage
{
  bytes32 public immutable CONTRACT_NAME_HASH;

  constructor(
    address _registry,
    string memory proxyName,
    address _initialAdmin
  ) AcceptableImplementationClaimableAdmin(_initialAdmin) {
    registry = _registry;
    CONTRACT_NAME_HASH = keccak256(abi.encodePacked(proxyName));
  }

  function approvePendingImplementationInternal(
    address _implementation
  ) internal view override returns (bool) {
    return
      IContractRegistryBase(registry).isImplementationValidForProxy(
        CONTRACT_NAME_HASH,
        _implementation
      );
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

interface IContractRegistryBase {
  function isImplementationValidForProxy(
    bytes32 proxyNameHash,
    address _implementation
  ) external view returns (bool);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;

/**
 * @dev only use immutables and constants in this contract
 */
contract CommonScales {
  uint256 public constant PRECISION = 1e18; // 18 decimals

  uint256 public constant LEVERAGE_SCALE = 100; // 2 decimal points

  uint256 public constant FRACTION_SCALE = 100000; // 5 decimal points

  uint256 public constant ACCURACY_IMPROVEMENT_SCALE = 1e9;

  function calculateLeveragedPosition(
    uint256 collateral,
    uint256 leverage
  ) internal pure returns (uint256) {
    return (collateral * leverage) / LEVERAGE_SCALE;
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

interface IFundingRateModel {
  // return value is the "funding paid by heavier side" in PRECISION per OI (heavier side) per second
  // e.g : (0.01 * PRECISION) = Paying (heavier) side (as a whole) pays 1% of funding per second for each OI unit
  function getFundingRate(
    uint256 pairId,
    uint256 openInterestLong,
    uint256 openInterestShort,
    uint256 pairMaxOpenInterest
  ) external view returns (uint256);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

interface IInterestRateModel {
  // Returns asset/second of interest per borrowed unit
  // e.g : (0.01 * PRECISION) = 1% of interest per second
  function getBorrowRate(uint256 utilization) external view returns (uint256);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "./LexErrors.sol";
import "./LexPoolAdminEnums.sol";
import "./IPoolAccountantV1.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface LexPoolStructs {
  struct PendingDeposit {
    uint256 amount;
    uint256 minAmountOut;
  }

  struct PendingRedeem {
    uint256 amount;
    uint256 minAmountOut;
    uint256 maxAmountOut;
  }
}

interface LexPoolEvents is LexPoolAdminEnums {
  event NewEpoch(
    uint256 epochId,
    int256 reportedUnrealizedPricePnL,
    uint256 exchangeRate,
    uint256 virtualUnderlyingBalance,
    uint256 totalSupply
  );

  event AddressUpdated(LexPoolAddressesEnum indexed enumCode, address a);
  event NumberUpdated(LexPoolNumbersEnum indexed enumCode, uint value);
  event DepositRequest(
    address indexed user,
    uint256 amount,
    uint256 minAmountOut,
    uint256 processingEpoch
  );
  event RedeemRequest(
    address indexed user,
    uint256 amount,
    uint256 minAmountOut,
    uint256 processingEpoch
  );
  event ProcessedDeposit(
    address indexed user,
    bool deposited,
    uint256 depositedAmount
  );
  event ProcessedRedeem(
    address indexed user,
    bool redeemed,
    uint256 withdrawnAmount // Underlying amount
  );
  event CanceledDeposit(
    address indexed user,
    uint256 epoch,
    uint256 cancelledAmount
  );
  event CanceledRedeem(
    address indexed user,
    uint256 epoch,
    uint256 cancelledAmount
  );
  event ImmediateDepositAllowedToggled(bool indexed value);
  event ImmediateDeposit(
    address indexed depositor,
    uint256 depositAmount,
    uint256 mintAmount
  );
  event ReservesWithdrawn(
    address _to,
    uint256 interestShare,
    uint256 totalFundingShare
  );
}

interface ILexPoolFunctionality is
  IERC20,
  LexPoolStructs,
  LexPoolEvents,
  LexErrors
{
  function setPoolAccountant(
    IPoolAccountantFunctionality _poolAccountant
  ) external;

  function setPnlRole(address pnl) external;

  function setMaxExtraWithdrawalAmountF(uint256 maxExtra) external;

  function setEpochsDelayDeposit(uint256 delay) external;

  function setEpochsDelayRedeem(uint256 delay) external;

  function setEpochDuration(uint256 duration) external;

  function setMinDepositAmount(uint256 amount) external;

  function toggleImmediateDepositAllowed() external;

  function reduceReserves(
    address _to
  ) external returns (uint256 interestShare, uint256 totalFundingShare);

  function requestDeposit(
    uint256 amount,
    uint256 minAmountOut,
    bytes32 domain,
    bytes32 referralCode
  ) external;

  function requestDepositViaIntent(
    address user,
    uint256 amount,
    uint256 minAmountOut,
    bytes32 domain,
    bytes32 referralCode
  ) external;

  function requestRedeem(uint256 amount, uint256 minAmountOut) external;

  function requestRedeemViaIntent(
    address user,
    uint256 amount,
    uint256 minAmountOut
  ) external;

  function processDeposit(
    address[] memory users
  )
    external
    returns (
      uint256 amountDeposited,
      uint256 amountCancelled,
      uint256 counterDeposited,
      uint256 counterCancelled
    );

  function cancelDeposits(
    address[] memory users,
    uint256[] memory epochs
  ) external;

  function processRedeems(
    address[] memory users
  )
    external
    returns (
      uint256 amountRedeemed,
      uint256 amountCancelled,
      uint256 counterDeposited,
      uint256 counterCancelled
    );

  function cancelRedeems(
    address[] memory users,
    uint256[] memory epochs
  ) external;

  function nextEpoch(
    int256 totalUnrealizedPricePnL
  ) external returns (uint256 newExchangeRate);

  function currentVirtualUtilization() external view returns (uint256);

  function currentVirtualUtilization(
    uint256 totalBorrows,
    uint256 totalReserves,
    int256 unrealizedFunding
  ) external view returns (uint256);

  function virtualBalanceForUtilization() external view returns (uint256);

  function virtualBalanceForUtilization(
    uint256 extraAmount,
    int256 unrealizedFunding
  ) external view returns (uint256);

  function underlyingBalanceForExchangeRate() external view returns (uint256);

  function sendAssetToTrader(address to, uint256 amount) external;

  function isUtilizationForLPsValid() external view returns (bool);
}

interface ILexPoolV1 is ILexPoolFunctionality {
  function name() external view returns (string memory);

  function symbol() external view returns (string memory);

  function SELF_UNIT_SCALE() external view returns (uint);

  function underlyingDecimals() external view returns (uint256);

  function poolAccountant() external view returns (address);

  function underlying() external view returns (IERC20);

  function tradingFloor() external view returns (address);

  function currentEpoch() external view returns (uint256);

  function currentExchangeRate() external view returns (uint256);

  function nextEpochStartMin() external view returns (uint256);

  function epochDuration() external view returns (uint256);

  function minDepositAmount() external view returns (uint256);

  function epochsDelayDeposit() external view returns (uint256);

  function epochsDelayRedeem() external view returns (uint256);

  function immediateDepositAllowed() external view returns (bool);

  function pendingDeposits(
    uint epoch,
    address account
  ) external view returns (PendingDeposit memory);

  function pendingRedeems(
    uint epoch,
    address account
  ) external view returns (PendingRedeem memory);

  function pendingDepositAmount() external view returns (uint256);

  function pendingWithdrawalAmount() external view returns (uint256);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "./LexErrors.sol";
import "./ILexPoolV1.sol";
import "./IInterestRateModel.sol";
import "./IFundingRateModel.sol";
import "./TradingEnumsV1.sol";

interface PoolAccountantStructs {
  // @note To be used for passing information in function calls
  struct PositionRegistrationParams {
    uint256 collateral;
    uint32 leverage;
    bool long;
    uint64 openPrice;
    uint64 tp;
  }

  struct PairFunding {
    // Slot 0
    int256 accPerOiLong; // 32 bytes -- Underlying Decimals
    // Slot 1
    int256 accPerOiShort; // 32 bytes -- Underlying Decimals
    // Slot 2
    uint256 lastUpdateTimestamp; // 32 bytes
  }

  struct TradeInitialAccFees {
    // Slot 0
    uint256 borrowIndex; // 32 bytes
    // Slot 1
    int256 funding; // 32 bytes -- underlying units -- Underlying Decimals
  }

  struct PairOpenInterest {
    // Slot 0
    uint256 long; // 32 bytes -- underlying units -- Dynamic open interest for long positions
    // Slot 1
    uint256 short; // 32 bytes -- underlying units -- Dynamic open interest for short positions
  }

  // This struct is not kept in storage
  struct PairFromTo {
    string from;
    string to;
  }

  struct Pair {
    // Slot 0
    uint16 id; // 02 bytes
    uint16 groupId; // 02 bytes
    uint16 feeId; // 02 bytes
    uint32 minLeverage; // 04 bytes
    uint32 maxLeverage; // 04 bytes
    uint32 maxBorrowF; // 04 bytes -- FRACTION_SCALE (5)
    // Slot 1
    uint256 maxPositionSize; // 32 bytes -- underlying units
    // Slot 2
    uint256 maxGain; // 32 bytes -- underlying units
    // Slot 3
    uint256 maxOpenInterest; // 32 bytes -- Underlying units
    // Slot 4
    uint256 maxSkew; // 32 bytes -- underlying units
    // Slot 5
    uint256 minOpenFee; // 32 bytes -- underlying units. MAX_UINT means use the default group level value
    // Slot 6
    uint256 minPerformanceFee; // 32 bytes -- underlying units
  }

  struct Group {
    // Slot 0
    uint16 id; // 02 bytes
    uint32 minLeverage; // 04 bytes
    uint32 maxLeverage; // 04 bytes
    uint32 maxBorrowF; // 04 bytes -- FRACTION_SCALE (5)
    // Slot 1
    uint256 maxPositionSize; // 32 bytes (Underlying units)
    // Slot 2
    uint256 minOpenFee; // 32 bytes (Underlying uints). MAX_UINT means use the default global level value
  }

  struct Fee {
    // Slot 0
    uint16 id; // 02 bytes
    uint32 openFeeF; // 04 bytes -- FRACTION_SCALE (5) (Fraction of leveraged pos)
    uint32 closeFeeF; // 04 bytes -- FRACTION_SCALE (5) (Fraction of leveraged pos)
    uint32 performanceFeeF; // 04 bytes -- FRACTION_SCALE (5) (Fraction of performance)
  }
}

interface PoolAccountantEvents is PoolAccountantStructs {
  event PairAdded(
    uint256 indexed id,
    string indexed from,
    string indexed to,
    Pair pair
  );
  event PairUpdated(uint256 indexed id, Pair pair);

  event GroupAdded(uint256 indexed id, string indexed groupName, Group group);
  event GroupUpdated(uint256 indexed id, Group group);

  event FeeAdded(uint256 indexed id, string indexed name, Fee fee);
  event FeeUpdated(uint256 indexed id, Fee fee);

  event TradeInitialAccFeesStored(
    bytes32 indexed positionId,
    uint256 borrowIndex,
    // uint256 rollover,
    int256 funding
  );

  event AccrueFunding(
    uint256 indexed pairId,
    int256 valueLong,
    int256 valueShort
  );

  event ProtocolFundingShareAccrued(
    uint16 indexed pairId,
    uint256 protocolFundingShare
  );
  // event AccRolloverFeesStored(uint256 pairIndex, uint256 value);

  event FeesCharged(
    bytes32 indexed positionId,
    address indexed trader,
    uint16 indexed pairId,
    PositionRegistrationParams positionRegistrationParams,
    //        bool long,
    //        uint256 collateral, // Underlying Decimals
    //        uint256 leverage,
    int256 profitPrecision, // PRECISION
    uint256 interest,
    int256 funding, // Underlying Decimals
    uint256 closingFee,
    uint256 tradeValue
  );

  event PerformanceFeeCharging(
    bytes32 indexed positionId,
    uint256 performanceFee
  );

  event MaxOpenInterestUpdated(uint256 pairIndex, uint256 maxOpenInterest);

  event AccrueInterest(
    uint256 cash,
    uint256 totalInterestNew,
    uint256 borrowIndexNew,
    uint256 interestShareNew
  );

  event Borrow(
    uint256 indexed pairId,
    uint256 borrowAmount,
    uint256 newTotalBorrows
  );

  event Repay(
    uint256 indexed pairId,
    uint256 repayAmount,
    uint256 newTotalBorrows
  );
}

interface IPoolAccountantFunctionality is
  PoolAccountantStructs,
  PoolAccountantEvents,
  LexErrors,
  TradingEnumsV1
{
  function setTradeIncentivizer(address _tradeIncentivizer) external;

  function setMaxGainF(uint256 _maxGainF) external;

  function setFrm(IFundingRateModel _frm) external;

  function setMinOpenFee(uint256 min) external;

  function setLexPartF(uint256 partF) external;

  function setFundingRateMax(uint256 maxValue) external;

  function setLiquidationThresholdF(uint256 threshold) external;

  function setLiquidationFeeF(uint256 fee) external;

  function setIrm(IInterestRateModel _irm) external;

  function setIrmHard(IInterestRateModel _irm) external;

  function setInterestShareFactor(uint256 factor) external;
  
  function setFundingShareFactor(uint256 factor) external;

  function setBorrowRateMax(uint256 rate) external;

  function setMaxTotalBorrows(uint256 maxBorrows) external;

  function setMaxVirtualUtilization(uint256 _maxVirtualUtilization) external;

  function resetTradersPairGains(uint256 pairId) external;

  function addGroup(Group calldata _group) external;

  function updateGroup(Group calldata _group) external;

  function addFee(Fee calldata _fee) external;

  function updateFee(Fee calldata _fee) external;

  function addPair(Pair calldata _pair) external;

  function addPairs(Pair[] calldata _pairs) external;

  function updatePair(Pair calldata _pair) external;

  function readAndZeroReserves()
    external
    returns (uint256 accumulatedInterestShare,
             uint256 accFundingShare);

  function registerOpenTrade(
    bytes32 positionId,
    address trader,
    uint16 pairId,
    uint256 collateral,
    uint32 leverage,
    bool long,
    uint256 tp,
    uint256 openPrice
  ) external returns (uint256 fee, uint256 lexPartFee);

  function registerCloseTrade(
    bytes32 positionId,
    address trader,
    uint16 pairId,
    PositionRegistrationParams calldata positionRegistrationParams,
    uint256 closePrice,
    PositionCloseType positionCloseType
  )
    external
    returns (
      uint256 closingFee,
      uint256 tradeValue,
      int256 profitPrecision,
      uint finalClosePrice
    );

  function registerUpdateTp(
    bytes32 positionId,
    address trader,
    uint16 pairId,
    uint256 collateral,
    uint32 leverage,
    bool long,
    uint256 openPrice,
    uint256 oldTriggerPrice,
    uint256 triggerPrice
  ) external;

  // function registerUpdateSl(
  //     address trader,
  //     uint256 pairIndex,
  //     uint256 index,
  //     uint256 collateral,
  //     uint256 leverage,
  //     bool long,
  //     uint256 openPrice,
  //     uint256 triggerPrice
  // ) external returns (uint256 fee);

  function accrueInterest()
    external
    returns (
      uint256 totalInterestNew,
      uint256 interestShareNew,
      uint256 borrowIndexNew
    );

  // Limited only for the LexPool
  function accrueInterest(
    uint256 availableCash
  )
    external
    returns (
      uint256 totalInterestNew,
      uint256 interestShareNew,
      uint256 borrowIndexNew
    );

  function getTradeClosingValues(
    bytes32 positionId,
    uint16 pairId,
    PositionRegistrationParams calldata positionRegistrationParams,
    uint256 closePrice,
    bool isLiquidation
  )
    external
    returns (
      uint256 tradeValue, // Underlying Decimals
      uint256 safeClosingFee,
      int256 profitPrecision,
      uint256 interest,
      int256 funding
    );

  function getTradeLiquidationPrice(
    bytes32 positionId,
    uint16 pairId,
    uint256 openPrice, // PRICE_SCALE (8)
    uint256 tp,
    bool long,
    uint256 collateral, // Underlying Decimals
    uint32 leverage
  )
    external
    returns (
      uint256 // PRICE_SCALE (8)
    );

  function calcTradeDynamicFees(
    bytes32 positionId,
    uint16 pairId,
    bool long,
    uint256 collateral,
    uint32 leverage,
    uint256 openPrice,
    uint256 tp
  ) external returns (uint256 interest, int256 funding);

  function unrealizedFunding() external view returns (int256);

  function totalBorrows() external view returns (uint256);

  function interestShare() external view returns (uint256);
  
  function fundingShare() external view returns (uint256);

  function totalReservesView() external view returns (uint256);

  function borrowsAndInterestShare()
    external
    view
    returns (uint256 totalBorrows, uint256 totalInterestShare);

  function pairTotalOpenInterest(
    uint256 pairIndex
  ) external view returns (int256);

  function pricePnL(
    uint256 pairId,
    uint256 price
  ) external view returns (int256);

  function getAllSupportedPairIds() external view returns (uint16[] memory);

  function getAllSupportedGroupsIds() external view returns (uint16[] memory);

  function getAllSupportedFeeIds() external view returns (uint16[] memory);
}

interface IPoolAccountantV1 is IPoolAccountantFunctionality {
  function totalBorrows() external view returns (uint256);

  function maxTotalBorrows() external view returns (uint256);

  function pairBorrows(uint256 pairId) external view returns (uint256);

  function groupBorrows(uint256 groupId) external view returns (uint256);

  function pairMaxBorrow(uint16 pairId) external view returns (uint256);

  function groupMaxBorrow(uint16 groupId) external view returns (uint256);

  function lexPool() external view returns (ILexPoolV1);

  function maxGainF() external view returns (uint256);

  function interestShareFactor() external view returns (uint256);
  
  function fundingShareFactor() external view returns (uint256);

  function frm() external view returns (IFundingRateModel);

  function irm() external view returns (IInterestRateModel);

  function pairs(uint16 pairId) external view returns (Pair memory);

  function groups(uint16 groupId) external view returns (Group memory);

  function fees(uint16 feeId) external view returns (Fee memory);

  function openInterestInPair(
    uint pairId
  ) external view returns (PairOpenInterest memory);

  function minOpenFee() external view returns (uint256);

  function liquidationThresholdF() external view returns (uint256);

  function liquidationFeeF() external view returns (uint256);

  function lexPartF() external view returns (uint256);

  function tradersPairGains(uint256 pairId) external view returns (int256);

  function calcBorrowAmount(
    uint256 collateral,
    uint256 leverage,
    bool long,
    uint256 openPrice,
    uint256 tp
  ) external pure returns (uint256);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "./TradingFloorStructsV1.sol";
import "./IPoolAccountantV1.sol";
import "./ILexPoolV1.sol";

interface ITradingFloorV1Functionality is TradingFloorStructsV1 {
  function supportNewSettlementAsset(
    address _asset,
    address _lexPool,
    address _poolAccountant
  ) external;

  function getPositionTriggerInfo(
    bytes32 _positionId
  )
    external
    view
    returns (
      PositionPhase positionPhase,
      uint64 timestamp,
      uint16 pairId,
      bool long,
      uint32 spreadReductionF
    );

  function getPositionPortalInfo(
    bytes32 _positionId
  )
    external
    view
    returns (
      PositionPhase positionPhase,
      uint64 inPhaseSince,
      address positionTrader
    );

  function storePendingPosition(
    OpenOrderType _orderType,
    PositionRequestIdentifiers memory _requestIdentifiers,
    PositionRequestParams memory _requestParams,
    uint32 _spreadReductionF
  ) external returns (bytes32 positionId);

  function setOpenedPositionToMarketClose(
    bytes32 _positionId,
    uint64 _minPrice,
    uint64 _maxPrice
  ) external;

  function cancelPendingPosition(
    bytes32 _positionId,
    OpenOrderType _orderType,
    uint feeFraction
  ) external;

  function cancelMarketCloseForPosition(
    bytes32 _positionId,
    CloseOrderType _orderType,
    uint feeFraction
  ) external;

  function updatePendingPosition_openLimit(
    bytes32 _positionId,
    uint64 _minPrice,
    uint64 _maxPrice,
    uint64 _tp,
    uint64 _sl
  ) external;

  function openNewPosition_market(
    bytes32 _positionId,
    uint64 assetEffectivePrice,
    uint256 feeForCancellation
  ) external;

  function openNewPosition_limit(
    bytes32 _positionId,
    uint64 assetEffectivePrice,
    uint256 feeForCancellation
  ) external;

  function closeExistingPosition_Market(
    bytes32 _positionId,
    uint64 assetPrice,
    uint64 effectivePrice
  ) external;

  function closeExistingPosition_Limit(
    bytes32 _positionId,
    LimitTrigger limitTrigger,
    uint64 assetPrice,
    uint64 effectivePrice
  ) external;

  // Manage open trade
  function updateOpenedPosition(
    bytes32 _positionId,
    PositionField updateField,
    uint64 fieldValue,
    uint64 effectivePrice
  ) external;

  // Fees
  function collectFee(address _asset, FeeType _feeType, address _to) external;
}

interface ITradingFloorV1 is ITradingFloorV1Functionality {
  function PRECISION() external pure returns (uint);

  // *** Views ***

  function pairTradersArray(
    address _asset,
    uint _pairIndex
  ) external view returns (address[] memory);

  function generatePositionHashId(
    address settlementAsset,
    address trader,
    uint16 pairId,
    uint32 index
  ) external pure returns (bytes32 hashId);

  // *** Public Storage addresses ***

  function lexPoolForAsset(address asset) external view returns (ILexPoolV1);

  function poolAccountantForAsset(
    address asset
  ) external view returns (IPoolAccountantV1);

  function registry() external view returns (address);

  // *** Public Storage params ***

  function positionsById(bytes32 id) external view returns (Position memory);

  function positionIdentifiersById(
    bytes32 id
  ) external view returns (PositionIdentifiers memory);

  function positionLimitsInfoById(
    bytes32 id
  ) external view returns (PositionLimitsInfo memory);

  function triggerPricesById(
    bytes32 id
  ) external view returns (PositionTriggerPrices memory);

  function pairTradersInfo(
    address settlementAsset,
    address trader,
    uint pairId
  ) external view returns (PairTraderInfo memory);

  function spreadReductionsP(uint) external view returns (uint);

  function maxSlF() external view returns (uint);

  function maxTradesPerPair() external view returns (uint);

  function maxSanityProfitF() external view returns (uint);

  function feesMap(
    address settlementAsset,
    FeeType feeType
  ) external view returns (uint256);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

interface LexErrors {
  enum CapType {
    NONE, // 0
    MIN_OPEN_FEE, // 1
    MAX_POS_SIZE_PAIR, // 2
    MAX_POS_SIZE_GROUP, // 3
    MAX_LEVERAGE, // 4
    MIN_LEVERAGE, // 5
    MAX_VIRTUAL_UTILIZATION, // 6
    MAX_OPEN_INTEREST, // 7
    MAX_ABS_SKEW, // 8
    MAX_BORROW_PAIR, // 9
    MAX_BORROW_GROUP, // 10
    MIN_DEPOSIT_AMOUNT, // 11
    MAX_ACCUMULATED_GAINS, // 12
    BORROW_RATE_MAX, // 13
    FUNDING_RATE_MAX, // 14
    MAX_POTENTIAL_GAIN, // 15
    MAX_TOTAL_BORROW, // 16
    MIN_PERFORMANCE_FEE // 17
    //...
  }
  error CapError(CapType, uint256 value);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;

interface LexPoolAdminEnums {
  enum LexPoolAddressesEnum {
    none,
    poolAccountant,
    pnlRole
  }

  enum LexPoolNumbersEnum {
    none,
    maxExtraWithdrawalAmountF,
    epochsDelayDeposit,
    epochsDelayRedeem,
    epochDuration,
    minDepositAmount
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

interface TradingEnumsV1 {
  enum PositionPhase {
    NONE,
    OPEN_MARKET,
    OPEN_LIMIT,
    OPENED,
    CLOSE_MARKET,
    CLOSED
  }

  enum OpenOrderType {
    NONE,
    MARKET,
    LIMIT
  }
  enum CloseOrderType {
    NONE,
    MARKET
  }
  enum FeeType {
    NONE,
    OPEN_FEE,
    CLOSE_FEE,
    TRIGGER_FEE
  }
  enum LimitTrigger {
    NONE,
    TP,
    SL,
    LIQ
  }
  enum PositionField {
    NONE,
    TP,
    SL
  }

  enum PositionCloseType {
    NONE,
    TP,
    SL,
    LIQ,
    MARKET
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "./TradingEnumsV1.sol";

interface TradingFloorStructsV1 is TradingEnumsV1 {
  enum AdminNumericParam {
    NONE,
    MAX_TRADES_PER_PAIR,
    MAX_SL_F,
    MAX_SANITY_PROFIT_F
  }

  /**
   * @dev Memory struct for identifiers
   */
  struct PositionRequestIdentifiers {
    address trader;
    uint16 pairId;
    address settlementAsset;
    uint32 positionIndex;
  }

  struct PositionRequestParams {
    bool long;
    uint256 collateral; // Settlement Asset Decimals
    uint32 leverage;
    uint64 minPrice; // PRICE_SCALE
    uint64 maxPrice; // PRICE_SCALE
    uint64 tp; // PRICE_SCALE
    uint64 sl; // PRICE_SCALE
    uint64 tpByFraction; // FRACTION_SCALE
    uint64 slByFraction; // FRACTION_SCALE
  }

  /**
   * @dev Storage struct for identifiers
   */
  struct PositionIdentifiers {
    // Slot 0
    address settlementAsset; // 20 bytes
    uint16 pairId; // 02 bytes
    uint32 index; // 04 bytes
    // Slot 1
    address trader; // 20 bytes
  }

  struct Position {
    // Slot 0
    uint collateral; // 32 bytes -- Settlement Asset Decimals
    // Slot 1
    PositionPhase phase; // 01 bytes
    uint64 inPhaseSince; // 08 bytes
    uint32 leverage; // 04 bytes
    bool long; // 01 bytes
    uint64 openPrice; // 08 bytes -- PRICE_SCALE (8)
    uint32 spreadReductionF; // 04 bytes -- FRACTION_SCALE (5)
  }

  /**
   * Holds the non liquidation limits for the position
   */
  struct PositionLimitsInfo {
    uint64 tpLastUpdated; // 08 bytes -- timestamp
    uint64 slLastUpdated; // 08 bytes -- timestamp
    uint64 tp; // 08 bytes -- PRICE_SCALE (8)
    uint64 sl; // 08 bytes -- PRICE_SCALE (8)
  }

  /**
   * Holds the prices for opening (and market closing) of a position
   */
  struct PositionTriggerPrices {
    uint64 minPrice; // 08 bytes -- PRICE_SCALE
    uint64 maxPrice; // 08 bytes -- PRICE_SCALE
    uint64 tpByFraction; // 04 bytes -- FRACTION_SCALE
    uint64 slByFraction; // 04 bytes -- FRACTION_SCALE
  }

  /**
   * @dev administration struct, used to keep tracks on the 'PairTraders' list and
   *      to limit the amount of positions a trader can have
   */
  struct PairTraderInfo {
    uint32 positionsCounter; // 04 bytes
    uint32 positionInArray; // 04 bytes (the index + 1)
    // Note : Can add more fields here
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "../../AdministrationContracts/AcceptableImplementationClaimableAdminStorage.sol";
import "../interfaces/ITradingFloorV1.sol";
import "../Common/CommonScales.sol";

/**
 * @title LexCommon
 * @dev For Lex contracts to inherit from, holding common variables and modifiers
 */
contract LexCommon is
  CommonScales,
  AcceptableRegistryImplementationClaimableAdminStorage
{
  IERC20 public underlying;

  ITradingFloorV1 public tradingFloor;

  function initializeLexCommon(
    ITradingFloorV1 _tradingFloor,
    IERC20 _underlying
  ) public {
    require(
      address(tradingFloor) == address(0) && address(underlying) == address(0),
      "Initialized"
    );
    tradingFloor = _tradingFloor;
    underlying = _underlying;
  }

  modifier onlyTradingFloor() {
    require(msg.sender == address(tradingFloor), "TRADING_FLOOR_ONLY");
    _;
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/**
 * @title LexERC20
 * @dev simple erc20 contract.
 * @notice This is the token that is issued against the deposited funds.
 *         The value of the token is represented by the exchange rate of the pool.
 */
contract LexERC20 is IERC20 {
  mapping(address => uint256) internal _balances;

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

  uint256 public totalSupply;

  string public name;
  string public symbol;

  function initializeLexERC20(
    string memory _name,
    string memory _symbol
  ) public {
    require(
      bytes(name).length == 0 && bytes(symbol).length == 0,
      "Initialized"
    );
    name = _name;
    symbol = _symbol;
  }

  function decimals() public pure returns (uint8) {
    return 18;
  }

  function balanceOf(address account) public view returns (uint256) {
    return _balances[account];
  }

  function transfer(address recipient, uint256 amount) public returns (bool) {
    _transfer(msg.sender, recipient, amount);
    return true;
  }

  function allowance(
    address owner,
    address spender
  ) public view returns (uint256) {
    return _allowances[owner][spender];
  }

  function approve(address spender, uint256 amount) public returns (bool) {
    _approve(msg.sender, spender, amount);
    return true;
  }

  function transferFrom(
    address sender,
    address recipient,
    uint256 amount
  ) public returns (bool) {
    _transfer(sender, recipient, amount);

    uint256 currentAllowance = _allowances[sender][msg.sender];
    require(
      currentAllowance >= amount,
      "ERC20: transfer amount exceeds allowance"
    );
    unchecked {
      _approve(sender, msg.sender, currentAllowance - amount);
    }

    return true;
  }

  function _transfer(
    address sender,
    address recipient,
    uint256 amount
  ) internal {
    require(sender != address(0), "ERC20: transfer from the zero address");
    require(recipient != address(0), "ERC20: transfer to the zero address");

    uint256 senderBalance = _balances[sender];
    require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
    unchecked {
      _balances[sender] = senderBalance - amount;
    }
    _balances[recipient] += amount;

    emit Transfer(sender, recipient, amount);
  }

  function _mint(address account, uint256 amount) internal {
    require(account != address(0), "ERC20: mint to the zero address");

    totalSupply += amount;
    _balances[account] += amount;
    emit Transfer(address(0), account, amount);
  }

  function _burn(address account, uint256 amount) internal {
    require(account != address(0), "ERC20: burn from the zero address");

    uint256 accountBalance = _balances[account];
    require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
    unchecked {
      _balances[account] = accountBalance - amount;
    }
    totalSupply -= amount;

    emit Transfer(account, address(0), amount);
  }

  function _approve(address owner, address spender, uint256 amount) internal {
    require(owner != address(0), "ERC20: approve from the zero address");
    require(spender != address(0), "ERC20: approve to the zero address");

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

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "../LexCommon.sol";
import "./LexERC20.sol";

/**
 * @title LexPoolStorage
 * @dev Storage contract for LexPool
 */
abstract contract LexPoolStorage is LexCommon, LexERC20, LexPoolStructs {
  uint256 public underlyingDecimals;

  // ***** Roles *****

  IPoolAccountantFunctionality public poolAccountant;
  address public pnlRole;

  // ***** Depositing and Withdrawing *****

  // epoch => user => PendingDeposit
  mapping(uint256 => mapping(address => PendingDeposit)) public pendingDeposits;
  // epoch => user => PendingRedeem
  mapping(uint256 => mapping(address => PendingRedeem)) public pendingRedeems;

  // epoch => users who deposits on this epoch
  mapping(uint256 => address[]) public pendingDepositorsArr;
  // epoch => users who redeems on this epoch
  mapping(uint256 => address[]) public pendingRedeemersArr;

  uint256 public pendingDepositAmount;
  uint256 public pendingWithdrawalAmount;
  // Extra fraction allowed to be withdrawn when redeem processes
  uint256 public maxExtraWithdrawalAmountF;
  uint256 public minDepositAmount;

  // ***** Epochs *****

  uint256 public currentEpoch;
  uint256 public nextEpochStartMin; // Minimum timestamp that calling nextEpoch will be possible
  uint256 public currentExchangeRate;
  uint256 public epochsDelayDeposit;
  uint256 public epochsDelayRedeem;
  uint256 public epochDuration;

  // ***** Flags *****

  bool public immediateDepositAllowed;

  function initializeLexPoolStorage(
    ITradingFloorV1 _tradingFloor,
    ERC20 _underlying,
    uint _epochDuration
  ) internal {
    initializeLexERC20(
      string.concat("Lynx LP ", _underlying.symbol()),
      string.concat("lx", _underlying.symbol())
    );

    initializeLexCommon(_tradingFloor, IERC20(_underlying));
    underlyingDecimals = _underlying.decimals();
    epochDuration = _epochDuration;
  }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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