[#TxoSpenderIndex-FindSpender]
= xref:TxoSpenderIndex.adoc[TxoSpenderIndex]::FindSpender
:relfileprefix: ../
:mrdocs:

Search the index for a transaction that spends the given outpoint.

== Synopsis

Declared in `<index/txospenderindex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:util/Expected-0b.adoc[util::Expected<std::optional<TxoSpender>, std::string>]
FindSpender(xref:COutPoint.adoc[COutPoint] const& txo) const;
----

== Return Value

std::nullopt if the outpoint has not been spent on‐chain. std::optional{TxoSpender} if the output has been spent on‐chain. Contains the spending transaction and the block it was confirmed in. util::Unexpected{error} if something unexpected happened (i.e. disk or deserialization error).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *txo* [in]
| The outpoint to search for.
|===


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