[#DeserializeMuSig2ParticipantPubkeys]
= DeserializeMuSig2ParticipantPubkeys
:mrdocs:

Deserialize a PSBT_{IN,OUT}_MUSIG2_PARTICIPANT_PUBKEYS field.

== Synopsis

Declared in `<psbt.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename Stream>
void
DeserializeMuSig2ParticipantPubkeys(
    Stream& s,
    xref:SpanReader.adoc[SpanReader]& skey,
    std::map<CPubKey, std::vector<CPubKey>>& out,
    std::string context);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| The input stream carrying the participant public keys value.
| *skey*
| The key reader positioned at the aggregate public key.
| *out*
| Map from aggregate public key to its participant public keys.
| *context*
| A label used in error messages to identify the field.
|===


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