[#PartiallyDownloadedBlock-InitData]
= xref:PartiallyDownloadedBlock.adoc[PartiallyDownloadedBlock]::InitData
:relfileprefix: ../
:mrdocs:

Initializes reconstruction from a compact block and a list of extra transactions.

== Synopsis

Declared in `<blockencodings.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:ReadStatus.adoc[ReadStatus]
InitData(
    xref:CBlockHeaderAndShortTxIDs.adoc[CBlockHeaderAndShortTxIDs] const& cmpctblock,
    std::vector<std::pair<Wtxid, CTransactionRef>> const& extra_txn);
----

== Return Value

A status code indicating whether initialization succeeded.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cmpctblock*
| The received compact block to reconstruct from.
| *extra_txn*
| Extra transactions to consider, as <witness hash, reference> pairs.
|===


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