[#ParseHashV]
= ParseHashV
:mrdocs:

Parse a hex‐encoded hash from a UniValue, throwing an RPC error if it is not valid hex.

== Synopsis

Declared in `<rpc/util.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:uint256.adoc[uint256]
ParseHashV(
    xref:UniValue.adoc[UniValue] const& v,
    std::string_view name);
----

== Return Value

The parsed 256‐bit hash.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *v*
| The value expected to hold a hex‐encoded hash.
| *name*
| The parameter name used in error messages.
|===


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