[#IsConsistentPackage]
= IsConsistentPackage
:mrdocs:

Checks that these transactions don't conflict, i.e., spend the same prevout. This includes checking that there are no duplicate transactions. Since these checks require looking at the inputs of a transaction, returns false immediately if any transactions have empty vin.

== Synopsis

Declared in `<policy/packages.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
IsConsistentPackage(xref:Package.adoc[Package] const& txns);
----

== Description

Does not check consistency of a transaction with oneself; does not check if a transaction spends the same prevout multiple times (see bad‐txns‐inputs‐duplicate in CheckTransaction()).

== Return Value

true if there are no conflicts. False if any two transactions spend the same prevout.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *txns*
| Transactions in the package to check for conflicts.
|===


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