[#btck_chainstate_manager_get_block_tree_entry_by_hash]
= btck_chainstate_manager_get_block_tree_entry_by_hash
:mrdocs:

Retrieve a block tree entry by its block hash.

== Synopsis

Declared in `<kernel/bitcoinkernel.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[__nonnull__]]
xref:btck_BlockTreeEntry-0c.adoc[btck_BlockTreeEntry] const*
btck_chainstate_manager_get_block_tree_entry_by_hash(
    xref:btck_ChainstateManager-0e.adoc[btck_ChainstateManager] const* chainstate_manager,
    xref:btck_BlockHash-07.adoc[btck_BlockHash] const* block_hash);
----

== Return Value

The block tree entry of the block with the passed in hash, or null if the block hash is not found.

== Parameters

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


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