OrderBookDB.h

#pragma once
 
#include <xrpl/basics/UnorderedContainers.h>
#include <xrpl/beast/utility/Journal.h>
#include <xrpl/ledger/AcceptedLedgerTx.h>
#include <xrpl/ledger/ReadView.h>
#include <xrpl/protocol/Asset.h>
#include <xrpl/protocol/Book.h>
#include <xrpl/protocol/UintTypes.h>
 
#include <memory>
#include <optional>
#include <vector>
 
namespace xrpl {

class OrderBookDB
{
public:
    virtual ~OrderBookDB() = default;

    virtual void
    setup(std::shared_ptr<ReadView const> const& ledger) = 0;

    virtual void
    addOrderBook(Book const& book) = 0;

    virtual std::vector<Book>
    getBooksByTakerPays(Asset const& asset, std::optional<Domain> const& domain = std::nullopt) = 0;

    virtual int
    getBookSize(Asset const& asset, std::optional<Domain> const& domain = std::nullopt) = 0;

    virtual bool
    isBookToXRP(Asset const& asset, std::optional<Domain> const& domain = std::nullopt) = 0;
};

HashSet<Book>
affectedBooks(AcceptedLedgerTx const& alTx, beast::Journal const& j);
 
}  // namespace xrpl