.. _module-utility-registry-v0-util-14424:

Utility.Registry.V0.Util
========================

Orphan Typeclass Instances
--------------------------

**instance** `IsParties <https://docs.daml.com/daml/stdlib/Prelude.html#class-da-internal-template-functions-isparties-53750>`_ (`Optional <https://docs.daml.com/daml/stdlib/Prelude.html#type-da-internal-prelude-optional-37153>`_ `Parties <https://docs.utility.canton.network.digitalasset.com/doc/daml-api/html/registry-holding-model/Utility-Registry-Holding-V0-Types.html#type-utility-registry-holding-v0-types-parties-95834>`_)

Functions
---------

.. _function-utility-registry-v0-util-groupby-7681:

`groupBy <function-utility-registry-v0-util-groupby-7681_>`_
  \: `Ord <https://docs.daml.com/daml/stdlib/Prelude.html#class-ghc-classes-ord-6395>`_ k \=\> (a \-\> k) \-\> \[a\] \-\> `Map <https://docs.daml.com/daml/stdlib/Prelude.html#type-da-internal-lf-map-90052>`_ k \[a\]

  Like ``List.groupOn``, but returns the output in a ``Map``\.

.. _function-utility-registry-v0-util-assertconfigurationandgetdefaultidentifier-99469:

`assertConfigurationAndGetDefaultIdentifier <function-utility-registry-v0-util-assertconfigurationandgetdefaultidentifier-99469_>`_
  \: (`CanAssert <https://docs.daml.com/daml/stdlib/Prelude.html#class-da-internal-assert-canassert-67323>`_ m, `HasField <https://docs.daml.com/daml/stdlib/DA-Record.html#type-da-internal-record-hasfield-59910>`_ \"operator\" p `Party <https://docs.daml.com/daml/stdlib/Prelude.html#type-da-internal-lf-party-57932>`_, `HasField <https://docs.daml.com/daml/stdlib/DA-Record.html#type-da-internal-record-hasfield-59910>`_ \"provider\" p `Party <https://docs.daml.com/daml/stdlib/Prelude.html#type-da-internal-lf-party-57932>`_, `HasField <https://docs.daml.com/daml/stdlib/DA-Record.html#type-da-internal-record-hasfield-59910>`_ \"registrar\" p `Party <https://docs.daml.com/daml/stdlib/Prelude.html#type-da-internal-lf-party-57932>`_, `HasField <https://docs.daml.com/daml/stdlib/DA-Record.html#type-da-internal-record-hasfield-59910>`_ \"instrumentIdentifier\" p `InstrumentIdentifier <https://docs.utility.canton.network.digitalasset.com/doc/daml-api/html/registry-holding-model/Utility-Registry-Holding-V0-Types.html#type-utility-registry-holding-v0-types-instrumentidentifier-9531>`_) \=\> :ref:`InstrumentConfiguration <type-utility-registry-v0-configuration-instrument-instrumentconfiguration-39219>` \-\> p \-\> m ()

  Asserts that the instrumen configuration matches expected values, and returns the default
  instrument identifier\.

.. _function-utility-registry-v0-util-fetchandvalidate-44779:

`fetchAndValidate <function-utility-registry-v0-util-fetchandvalidate-44779_>`_
  \: (`HasFetch <https://docs.daml.com/daml/stdlib/Prelude.html#class-da-internal-template-functions-hasfetch-52387>`_ t, `Eq <https://docs.daml.com/daml/stdlib/Prelude.html#class-ghc-classes-eq-22713>`_ a, `Show <https://docs.daml.com/daml/stdlib/Prelude.html#class-ghc-show-show-65360>`_ a) \=\> `ContractId <https://docs.daml.com/daml/stdlib/Prelude.html#type-da-internal-lf-contractid-95282>`_ t \-\> \[(`Text <https://docs.daml.com/daml/stdlib/Prelude.html#type-ghc-types-text-51952>`_, t \-\> a, a)\] \-\> `Update <https://docs.daml.com/daml/stdlib/Prelude.html#type-da-internal-lf-update-68072>`_ t

  Fetch a contract and validate that fields are as expected\.