[#node-STORAGE_HEADER_BYTES]
= xref:node.adoc[node]::STORAGE_HEADER_BYTES
:relfileprefix: ../
:mrdocs:

Size of header written by WriteBlock before a serialized CBlock (8 bytes)

== Synopsis

Declared in `<node/blockstorage.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr uint32_t STORAGE_HEADER_BYTES = {std::tuple_size_v<MessageStartChars> + sizeof(unsigned int)};
----


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