[#ParseSighashString]
= ParseSighashString
:mrdocs:

Parse a sighash string representation and raise an RPC error if it is invalid.

== Synopsis

Declared in `<rpc/util.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::optional<int>
ParseSighashString(xref:UniValue.adoc[UniValue] const& sighash);
----

== Return Value

The parsed sighash flags, or nullopt if none was given.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sighash*
| The sighash type as a JSON string.
|===


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