[#BaseIndex-Sync]
= xref:BaseIndex.adoc[BaseIndex]::Sync
:relfileprefix: ../
:mrdocs:

index_sync Sync the index with the block index starting from the current best block. Intended to be run in its own thread, m_thread_sync, and can be interrupted with m_interrupt. Once the index gets in sync, the m_synced flag is set and the BlockConnected ValidationInterface callback takes over and the sync thread exits.

== Synopsis

Declared in `<index/base.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
Sync();
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