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M14 Release Notes (#1168)
* Created a new M14 gradle plugins version to fix a bug with using the 0.13.6 gradle plugins. * Added first draft of M14 release notes and changelog. * Vault Query improvements and fixes. * remove note about an internal change * Added improvements to release notes. * Added release notes about templates and the need to upgrade. * Added documentation about the removal of Guava types. * Add release notes on identity * Fixed spelling error.
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@ -4,8 +4,8 @@ Changelog
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Here are brief summaries of what's changed between each snapshot release. This includes guidance on how to upgrade code
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from the previous milestone release.
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UNRELEASED
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----------
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Milestone 14
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------------
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* Changes in ``NodeInfo``:
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@ -34,7 +34,7 @@ UNRELEASED
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* Moved the core flows previously found in ``net.corda.flows`` into ``net.corda.core.flows``. This is so that all packages
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in the ``core`` module begin with ``net.corda.core``.
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* ``FinalityFlow`` now has can be subclassed, and the ``broadcastTransaction`` and ``lookupParties`` function can be
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* ``FinalityFlow`` can now be subclassed, and the ``broadcastTransaction`` and ``lookupParties`` function can be
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overriden in order to handle cases where no single transaction participant is aware of all parties, and therefore
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the transaction must be relayed between participants rather than sent from a single node.
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@ -57,6 +57,43 @@ UNRELEASED
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* ``Cordformation`` adds a ``corda`` and ``cordaRuntime`` configuration to projects which cordapp developers should
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use to exclude core Corda JARs from being built into Cordapp fat JARs.
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* ``database`` field in ``AbstractNode`` class has changed the type from ``org.jetbrains.exposed.sql.Database`` to
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‘net.corda.node.utilities.CordaPersistence’ - no change is needed for the typical use
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(i.e. services.database.transaction { code block } ) however a change is required when Database was explicitly declared
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* ``DigitalSignature.LegallyIdentifiable``, previously used to identify a signer (e.g. in Oracles), has been removed.
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One can use the public key to derive the corresponding identity.
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* Vault Query improvements and fixes:
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* FIX inconsistent behaviour: Vault Query defaults to UNCONSUMED in all QueryCriteria types
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* FIX serialization error: Vault Query over RPC when using custom attributes using VaultCustomQueryCriteria.
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* Aggregate function support: extended VaultCustomQueryCriteria and associated DSL to enable specification of
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Aggregate Functions (sum, max, min, avg, count) with, optional, group by clauses and sorting (on calculated aggregate)
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* Pagination simplification
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Pagination continues to be optional, but with following changes:
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- If no PageSpecification provided then a maximum of MAX_PAGE_SIZE (200) results will be returned, otherwise we fail-fast with a ``VaultQueryException`` to alert the API user to the need to specify a PageSpecification.
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Internally, we no longer need to calculate a results count (thus eliminating an expensive SQL query) unless a PageSpecification is supplied (note: that a value of -1 is returned for total_results in this scenario).
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Internally, we now use the AggregateFunction capability to perform the count.
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- Paging now starts from 1 (was previously 0).
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* Additional Sort criteria: by StateRef (or constituents: txId, index)
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* Confidential identities API improvements
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* Registering anonymous identities now takes in AnonymousPartyAndPath
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* AnonymousParty.toString() now uses toStringShort() to match other toString() functions
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* Add verifyAnonymousIdentity() function to verify without storing an identity
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* Replace pathForAnonymous() with anonymousFromKey() which matches actual use-cases better
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* Add unit test for fetching the anonymous identity from a key
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* Update verifyAnonymousIdentity() function signature to match registerAnonymousIdentity()
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* Rename AnonymisedIdentity to AnonymousPartyAndPath
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* Remove certificate from AnonymousPartyAndPath as it's not actually used.
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* Rename registerAnonymousIdentity() to verifyAndRegisterAnonymousIdentity()
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Milestone 13
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------------
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@ -3,12 +3,45 @@ Release notes
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Here are release notes for each snapshot release from M9 onwards.
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Unreleased
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----------
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Milestone 14
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------------
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The transaction finalisation flow (``FinalityFlow``) has had hooks for alternative implementations, for example in
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This release continues with the goal to improve API stability and developer friendliness. There have also been more
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bug fixes and other improvements across the board.
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The CorDapp template repository has been replaced with a specific repository for
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`Java <https://github.com/corda/cordapp-template-java>`_ and `Kotlin <https://github.com/corda/cordapp-template-kotlin>`_
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to improve the experience of starting a new project and to simplify the build system.
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It is now possible to specify multiple IP addresses and legal identities for a single node, allowing node operators
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more flexibility in setting up nodes.
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A format has been introduced for CorDapp JARs that standardises the contents of CorDapps across nodes. This new format
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now requires CorDapps to contain their own external dependencies. This paves the way for significantly improved
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dependency management for CorDapps with the release of `Jigsaw (Java Modules) <http://openjdk.java.net/projects/jigsaw/>`_. For those using non-gradle build systems it is important
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to read :doc:`cordapp-build-systems` to learn more. Those using our ``cordformation`` plugin simply need to update
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to the latest version (``0.14.0``) to get the fixes.
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We've now begun the process of demarcating which classes are part of our public API and which ones are internal.
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Everything found in ``net.corda.core.internal`` and other packages in the ``net.corda`` namespace which has ``.internal`` in it are
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considered internal and not for public use. In a future release any CorDapp using these packages will fail to load, and
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when we migrate to Jigsaw these will not be exported.
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The transaction finalisation flow (``FinalityFlow``) has had hooks added for alternative implementations, for example in
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scenarios where no single participant in a transaction is aware of the well known identities of all parties.
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DemoBench has a fix for a rare but inconvenient crash that can occur when sharing your display across multiple devices,
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e.g. a projector while performing demonstrations in front of an audience.
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Guava types are being removed because Guava does not have backwards compatibility across versions, which has serious
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issues when multiple libraries depend on different versions of the library.
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The identity service API has been tweaked, primarily so anonymous identity registration now takes in
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AnonymousPartyAndPath rather than the individual components of the identity, as typically the caller will have
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an AnonymousPartyAndPath instance. See change log for further detail.
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Upgrading to this release is strongly recommended in order to keep up with the API changes, removal and additions.
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Milestone 13
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------------
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