[#FeeRateEstimatorType]
= FeeRateEstimatorType
:mrdocs:

Identifier for fee rate estimator&period;

== Synopsis

Declared in `&lt;util&sol;fees&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum class FeeRateEstimatorType : int;
----

== Members

[cols="1,4"]
|===
| Name| Description
| `NONE` 
| No fee rate estimator&period;
| `BLOCK&lowbar;POLICY` 
| The block policy estimator, based on confirmed transactions&period;
| `MEMPOOL&lowbar;POLICY` 
| The mempool policy estimator, based on current mempool contents&period;
|===


== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:EstimationError.adoc[`EstimationError`]
| Build a fee rate estimation error result&colon; a zero&hyphen;value estimation identifying the estimator and target, alongside the error message&period;
| xref:FeeRateEstimatorTypeFromString.adoc[`FeeRateEstimatorTypeFromString`]
| Parse a fee rate estimator type from its canonical string name&period;
| xref:FeeRateEstimatorTypeToString.adoc[`FeeRateEstimatorTypeToString`]
| Convert a fee rate estimator type to its canonical string name&period;
|===


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