[#MempoolAcceptResult-FeeFailure]
= xref:MempoolAcceptResult.adoc[MempoolAcceptResult]::FeeFailure
:relfileprefix: ../
:mrdocs:

Build a result for a fee‐related validation failure.

== Synopsis

Declared in `<validation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:MempoolAcceptResult.adoc[MempoolAcceptResult]
FeeFailure(
    xref:TxValidationState.adoc[TxValidationState] state,
    xref:CFeeRate.adoc[CFeeRate] effective_feerate,
    std::vector<Wtxid> const& wtxids_fee_calculations);
----

== Return Value

An INVALID result that also records the fee information.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *state*
| Validation state describing the failure.
| *effective_feerate*
| The feerate at which the transaction was considered.
| *wtxids_fee_calculations*
| Wtxids of the transactions used for fee‐related checks.
|===


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