[#CalculatePercentilesByWeight]
= CalculatePercentilesByWeight
:mrdocs:

Used by getblockstats to get feerates at different percentiles by weight

== Synopsis

Declared in `<rpc/blockchain.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
CalculatePercentilesByWeight(
    xref:CAmount.adoc[CAmount] result[],
    std::vector<std::pair<CAmount, int64_t>>& scores,
    int64_t total_weight);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *result*
| Output array filled with the fee rate at each percentile.
| *scores*
| The (fee, weight) pairs to compute percentiles from.
| *total_weight*
| The total weight across all `scores.`
|===


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