[#IsRBFOptInEmptyMempool]
= IsRBFOptInEmptyMempool
:mrdocs:

Determine the RBF signaling state of a transaction assuming an empty mempool.

== Synopsis

Declared in `<policy/rbf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:RBFTransactionState.adoc[RBFTransactionState]
IsRBFOptInEmptyMempool(xref:CTransaction.adoc[CTransaction] const& tx);
----

== Return Value

The rbf state derived from the transaction's own sequence numbers.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tx*
| The unconfirmed transaction to inspect.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#