[#CTxIn-2constructor-05]
= xref:CTxIn.adoc[CTxIn]::CTxIn
:relfileprefix: ../
:mrdocs:

Constructs an input spending a given outpoint.

== Synopsis

Declared in `<primitives/transaction.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
CTxIn(
    xref:COutPoint.adoc[COutPoint] prevoutIn,
    xref:CScript.adoc[CScript] scriptSigIn = CScript(),
    uint32_t nSequenceIn = SEQUENCE_FINAL);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *prevoutIn*
| The previous output being spent.
| *scriptSigIn*
| The signature script satisfying the output.
| *nSequenceIn*
| The sequence number for the input.
|===


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