[#CBlock-2constructor-03]
= xref:CBlock.adoc[CBlock]::CBlock
:relfileprefix: ../
:mrdocs:

Constructs a block from an existing header, with no transactions.

== Synopsis

Declared in `<primitives/block.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
CBlock(xref:CBlockHeader.adoc[CBlockHeader] const& header);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *header*
| The header to copy into the new block.
|===


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