[#CalculateClaimedHeadersWork]
= CalculateClaimedHeadersWork
:mrdocs:

Return the sum of the claimed work on a given set of headers. No verification of PoW is done.

== Synopsis

Declared in `<validation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:arith_uint256.adoc[arith_uint256]
CalculateClaimedHeadersWork(std::span<CBlockHeader const> headers);
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== Return Value

The total claimed work across the headers.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *headers*
| The headers whose claimed work is summed.
|===


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