QuoteStorage.sol

// SPDX-License-Identifier: SYMM-Core-Business-Source-License-1.1
// This contract is licensed under the SYMM Core Business Source License 1.1
// Copyright (c) 2023 Symmetry Labs AG
// For more information, see https://docs.symm.io/legal-disclaimer/license
pragma solidity >=0.8.18;

import "../libraries/LibLockedValues.sol";

enum PositionType {
    LONG,
    SHORT
}

enum OrderType {
    LIMIT,
    MARKET
}

enum QuoteStatus {
    PENDING, //0
    LOCKED, //1
    CANCEL_PENDING, //2
    CANCELED, //3
    OPENED, //4
    CLOSE_PENDING, //5
    CANCEL_CLOSE_PENDING, //6
    CLOSED, //7
    LIQUIDATED, //8
    EXPIRED //9
}

struct Quote {
    uint256 id;
    address[] partyBsWhiteList;
    uint256 symbolId;
    PositionType positionType;
    OrderType orderType;
    // Price of quote which PartyB opened in 18 decimals
    uint256 openedPrice;
    // Price of quote which PartyA requested in 18 decimals
    uint256 requestedOpenPrice;
    uint256 marketPrice;
    // Quantity of quote which PartyA requested in 18 decimals
    uint256 quantity;
    // Quantity of quote which PartyB has closed until now in 18 decimals
    uint256 closedAmount;
    LockedValues initialLockedValues;
    LockedValues lockedValues;
    uint256 maxInterestRate;
    address partyA;
    address partyB;
    QuoteStatus quoteStatus;
    uint256 avgClosedPrice;
    uint256 requestedClosePrice;
    uint256 quantityToClose;
    // handle partially open position
    uint256 parentId;
    uint256 createTimestamp;
    uint256 modifyTimestamp;
    uint256 deadline;
}

library QuoteStorage {
    bytes32 internal constant QUOTE_STORAGE_SLOT = keccak256("diamond.standard.storage.quote");

    struct Layout {
        mapping(address => uint256[]) quoteIdsOf;
        mapping(uint256 => Quote) quotes;
        mapping(address => uint256) partyAPositionsCount;
        mapping(address => mapping(address => uint256)) partyBPositionsCount;
        mapping(address => uint256[]) partyAPendingQuotes;
        mapping(address => mapping(address => uint256[])) partyBPendingQuotes;
        mapping(address => uint256[]) partyAOpenPositions;
        mapping(uint256 => uint256) partyAPositionsIndex;
        mapping(address => mapping(address => uint256[])) partyBOpenPositions;
        mapping(uint256 => uint256) partyBPositionsIndex;
        uint256 lastId;
    }

    function layout() internal pure returns (Layout storage l) {
        bytes32 slot = QUOTE_STORAGE_SLOT;
        assembly {
            l.slot := slot
        }
    }
}