fastmm::BybitSyncTraits Struct Reference

Bybit v5: the stream itself sends a snapshot first (kSnapshot flag), then deltas whose u must be strictly increasing; u == 1 means the venue restarted the book (treated as a snapshot marker -> resubscribe). More...

#include <fastmm/core/book/book_syncer.hpp>

Static Public Member Functions
static constexpr bool	is_stale (const BookDeltaMsg &d, std::uint64_t snap) noexcept
static constexpr bool	first_applies (const BookDeltaMsg &d, std::uint64_t snap) noexcept
static constexpr bool	next_applies (const BookDeltaMsg &d, std::uint64_t prev_u) noexcept
static constexpr bool	is_snapshot_marker (const BookDeltaMsg &d) noexcept

Static Public Attributes
static constexpr bool	kNeedsRestSnapshot = false
static constexpr bool	kBuffersDeltas = false

Detailed Description

Bybit v5: the stream itself sends a snapshot first (kSnapshot flag), then deltas whose u must be strictly increasing; u == 1 means the venue restarted the book (treated as a snapshot marker -> resubscribe).

No REST snapshot, no buffering.

Member Function Documentation

is_stale()

static constexpr bool fastmm::BybitSyncTraits::is_stale ( const BookDeltaMsg &  d, std::uint64_t  snap  )

inlinestaticconstexprnoexcept

first_applies()

static constexpr bool fastmm::BybitSyncTraits::first_applies ( const BookDeltaMsg &  d, std::uint64_t  snap  )

inlinestaticconstexprnoexcept

next_applies()

static constexpr bool fastmm::BybitSyncTraits::next_applies ( const BookDeltaMsg &  d, std::uint64_t  prev_u  )

inlinestaticconstexprnoexcept

is_snapshot_marker()

static constexpr bool fastmm::BybitSyncTraits::is_snapshot_marker ( const BookDeltaMsg &  d )

inlinestaticconstexprnoexcept

Member Data Documentation

kNeedsRestSnapshot

constexpr bool fastmm::BybitSyncTraits::kNeedsRestSnapshot = false

staticconstexpr

kBuffersDeltas

constexpr bool fastmm::BybitSyncTraits::kBuffersDeltas = false

staticconstexpr