[#btck-BlockHash-2constructor-08]
= xref:btck.adoc[btck]::xref:btck/BlockHash.adoc[BlockHash]::BlockHash
:relfileprefix: ../../
:mrdocs:

Constructs a block hash from raw 32&hyphen;byte data&period;

== Synopsis

Declared in `&lt;kernel&sol;bitcoinkernel&lowbar;wrapper&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
BlockHash(std::array&lt;std::byte, 32&gt; const& hash);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *hash*
| The 32&hyphen;byte hash value&period;
|===


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