[#node-BlockManager-WriteBlock]
= xref:node.adoc[node]::xref:node/BlockManager.adoc[BlockManager]::WriteBlock
:relfileprefix: ../../
:mrdocs:

Store block on disk and update block file statistics.

== Synopsis

Declared in `<node/blockstorage.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7fb95f04d138), requires_capability(0x7fb969da6ef8), requires_capability(0x7fb96c563948), requires_capability(0x7fb9857a0a08), requires_capability(0x7fb96cb96318), requires_capability(0x7fb95a5b9868)]]
xref:FlatFilePos.adoc[FlatFilePos]
WriteBlock(
    xref:CBlock.adoc[CBlock] const& block,
    int nHeight);
----

== Return Value

in case of success, the position to which the block was written to in case of an error, an empty FlatFilePos

== Parameters

[cols="1,4"]
|===
| Name| Description
| *block* [in]
| the block to be stored
| *nHeight* [in]
| the height of the block
|===


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