[#CBlockHeaderAndShortTxIDs-2constructor-0d]
= xref:CBlockHeaderAndShortTxIDs.adoc[CBlockHeaderAndShortTxIDs]::CBlockHeaderAndShortTxIDs
:relfileprefix: ../
:mrdocs:

Constructors

== Synopses

Declared in `<blockencodings.h>`

Dummy for deserialization


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:CBlockHeaderAndShortTxIDs/2constructor-05.adoc[CBlockHeaderAndShortTxIDs]() = default;
----

[.small]#xref:CBlockHeaderAndShortTxIDs/2constructor-05.adoc[_» more..._]#

Builds the compact representation of a block.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CBlockHeaderAndShortTxIDs/2constructor-07.adoc[CBlockHeaderAndShortTxIDs](
    xref:CBlock.adoc[CBlock] const& block,
    uint64_t nonce);
----

[.small]#xref:CBlockHeaderAndShortTxIDs/2constructor-07.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *block* [in]
| The block to encode.
| *nonce* [in]
| This should be randomly generated, and is used for the siphash secret key
|===


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