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

Write out the blockhash of the snapshot base block that was used to construct this chainstate. This value is read in during subsequent initializations and used to reconstruct snapshot‐based chainstates.

== Synopsis

Declared in `<node/utxo_snapshot.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7f2e40e74de0)]]
bool
WriteSnapshotBaseBlockhash(xref:Chainstate.adoc[Chainstate]& snapshot_chainstate);
----

== Return Value

True on success, false if the blockhash could not be written.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *snapshot_chainstate*
| The snapshot chainstate whose base blockhash is written.
|===


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