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

Read the raw, still‐serialized bytes of a block (or a sub‐range) from disk.

== Synopsis

Declared in `<node/blockstorage.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:node/BlockManager/ReadRawBlockResult.adoc[ReadRawBlockResult]
ReadRawBlock(
    xref:FlatFilePos.adoc[FlatFilePos] const& pos,
    std::optional<std::pair<size_t, size_t>> block_part = std::nullopt) const;
----

== Return Value

The requested bytes on success, or a ReadRawError on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pos*
| Position of the serialized block on disk.
| *block_part*
| Optional (offset, length) sub‐range of the block to read.
|===


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