[#CompressedHeader-2constructor-0a]
= xref:CompressedHeader.adoc[CompressedHeader]::CompressedHeader
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Constructors

== Synopses

Declared in `<headerssync.h>`

Constructs an empty compressed header with a null Merkle root.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:CompressedHeader/2constructor-0d.adoc[CompressedHeader]();
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Constructs a compressed header by copying the fields of a full header.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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explicit
xref:CompressedHeader/2constructor-0f.adoc[CompressedHeader](xref:CBlockHeader.adoc[CBlockHeader] const& header);
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[.small]#xref:CompressedHeader/2constructor-0f.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *header*
| The full block header to compress (its prevhash is dropped).
|===


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