[#CTransaction-IsCoinBase]
= xref:CTransaction.adoc[CTransaction]::IsCoinBase
:relfileprefix: ../
:mrdocs:

Returns true when the transaction is a coinbase.

== Synopsis

Declared in `<primitives/transaction.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
IsCoinBase() const;
----

== Return Value

True if it has a single input spending a null outpoint.


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