SHAMapStore.h

#pragma once
 
#include <xrpld/app/main/Application.h>
 
#include <xrpl/beast/utility/Journal.h>
#include <xrpl/ledger/Ledger.h>
#include <xrpl/nodestore/Database.h>
#include <xrpl/nodestore/Scheduler.h>
#include <xrpl/protocol/Protocol.h>
 
#include <cstdint>
#include <memory>
#include <optional>
 
namespace xrpl {
 
class TransactionMaster;

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

    virtual void
    onLedgerClosed(std::shared_ptr<Ledger const> const& ledger) = 0;
 
    virtual void
    start() = 0;
 
    virtual void
    rendezvous() const = 0;
 
    virtual void
    stop() = 0;
 
    [[nodiscard]] virtual std::uint32_t
    clampFetchDepth(std::uint32_t fetchDepth) const = 0;
 
    virtual std::unique_ptr<node_store::Database>
    makeNodeStore(int readThreads) = 0;

    virtual LedgerIndex
    setCanDelete(LedgerIndex canDelete) = 0;

    [[nodiscard]] virtual bool
    advisoryDelete() const = 0;

    virtual LedgerIndex
    getLastRotated() = 0;

    virtual LedgerIndex
    getCanDelete() = 0;

    [[nodiscard]] virtual int
    fdRequired() const = 0;

    [[nodiscard]] virtual std::optional<LedgerIndex>
    minimumOnline() const = 0;
};
 
//------------------------------------------------------------------------------
 
std::unique_ptr<SHAMapStore>
makeSHAMapStore(Application& app, node_store::Scheduler& scheduler, beast::Journal journal);
}  // namespace xrpl