[#node-BlockManager-ReadBlock-09]
= xref:node.adoc[node]::xref:node/BlockManager.adoc[BlockManager]::ReadBlock
:relfileprefix: ../../
:mrdocs:

Read a block from disk using its block index entry.

== Synopsis

Declared in `<node/blockstorage.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
ReadBlock(
    xref:CBlock.adoc[CBlock]& block,
    xref:CBlockIndex.adoc[CBlockIndex] const& index) const;
----

== Return Value

True on success, false if the block could not be read.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *block*
| Output filled with the deserialized block.
| *index*
| The block index entry identifying the block to read.
|===


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