[#PSBTInputSignedAndVerified]
= PSBTInputSignedAndVerified
:mrdocs:

Checks whether a PSBTInput is already signed by doing script verification using final fields.

== Synopsis

Declared in `<psbt.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
PSBTInputSignedAndVerified(
    xref:PartiallySignedTransaction.adoc[PartiallySignedTransaction] const& psbt,
    unsigned int input_index,
    xref:PrecomputedTransactionData.adoc[PrecomputedTransactionData] const* txdata);
----

== Return Value

True if the input is signed and verifies.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *psbt*
| The PSBT containing the input.
| *input_index*
| The index of the input to check.
| *txdata*
| Precomputed transaction data used for verification.
|===


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