[#DeserializeMuSig2ParticipantDataIdentifier]
= DeserializeMuSig2ParticipantDataIdentifier
:mrdocs:

Deserialize the MuSig2 participant identifiers from a PSBT MuSig2 field.

== Synopsis

Declared in `<psbt.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename Stream>
void
DeserializeMuSig2ParticipantDataIdentifier(
    Stream& skey,
    xref:CPubKey.adoc[CPubKey]& agg_pub,
    xref:CPubKey.adoc[CPubKey]& part_pub,
    xref:uint256.adoc[uint256]& leaf_hash);
----

== Description

Both the pubnonce and partial‐signature fields share the same layout after the type byte: aggregate pubkey, participant pubkey, and optional leaf hash.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *skey*
| The key reader positioned after the type byte.
| *agg_pub*
| Receives the aggregate public key.
| *part_pub*
| Receives the participant public key.
| *leaf_hash*
| Receives the leaf script hash, or null when absent.
|===


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