[#btck_block_read]
= btck_block_read
:mrdocs:

Reads the block the passed in block tree entry points to from disk and returns it.

== Synopsis

Declared in `<kernel/bitcoinkernel.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard, __nonnull__]]
xref:btck_Block-04.adoc[btck_Block]*
btck_block_read(
    xref:btck_ChainstateManager-0e.adoc[btck_ChainstateManager] const* chainstate_manager,
    xref:btck_BlockTreeEntry-0c.adoc[btck_BlockTreeEntry] const* block_tree_entry);
----

== Return Value

The read out block, or null on error.

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *chainstate_manager* [in]
| Non‐null.
| *block_tree_entry* [in]
| Non‐null.
|===


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