directory.h

#pragma once
 
#include <test/jtx/Env.h>
 
#include <xrpl/basics/base_uint.h>
#include <xrpl/ledger/ApplyView.h>
#include <xrpl/protocol/Feature.h>
#include <xrpl/protocol/Keylet.h>
#include <xrpl/protocol/Protocol.h>
 
#include <cstdint>
#include <expected>
#include <functional>
#include <limits>

namespace xrpl::test::jtx::directory {
 
enum class Error {
    DirectoryRootNotFound,
    DirectoryTooSmall,
    DirectoryPageDuplicate,
    DirectoryPageNotFound,
    InvalidLastPage,
    AdjustmentError
};

auto
bumpLastPage(
    Env& env,
    std::uint64_t newLastPage,
    Keylet directory,
    std::function<bool(ApplyView&, UInt256, std::uint64_t)> adjust) -> std::expected<void, Error>;

bool
adjustOwnerNode(ApplyView& view, UInt256 key, std::uint64_t page);
 
inline auto
maximumPageIndex(Env const& env) -> std::uint64_t
{
    if (env.enabled(fixDirectoryLimit))
        return std::numeric_limits<std::uint64_t>::max();
    return kDirNodeMaxPages - 1;
}
 
}  // namespace xrpl::test::jtx::directory