[#txindex-02-HASH_PREFIX_SIZE]
= xref:txindex-02.adoc[txindex]::HASH_PREFIX_SIZE
:relfileprefix: ../
:mrdocs:

Number of leading txid‐hash bytes kept in a hashed txindex key.

== Synopsis

Declared in `<index/txindex_key.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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constexpr int HASH_PREFIX_SIZE = {5};
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