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00e682a544
* [CORDA-446] Clean up other mentions of network map node and logic * Rename AbstractNetworkMapService to NetworkMapService and remove the empty NetworkMapService * fix build * fix artemismessaging tests * pr comments
141 lines
6.1 KiB
ReStructuredText
141 lines
6.1 KiB
ReStructuredText
DemoBench
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=========
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DemoBench is a standalone desktop application that makes it easy to configure and launch local Corda nodes. It is useful for training sessions, demos or just experimentation.
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Downloading
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-----------
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Installers compatible with the latest Corda release can be downloaded from the `Corda website`_.
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.. _Corda website: https://www.corda.net/downloads
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Running DemoBench
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-----------------
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Configuring a Node
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Each node must have a unique name to identify it to the network map service. DemoBench will suggest node names, nearest cities and local port numbers to use.
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The first node will be a notary. Hence only notary services will be available to be selected in the ``Services`` list. For subsequent nodes you may also select any of Corda's other built-in services.
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Press the ``Start node`` button to launch the Corda node with your configuration.
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Running Nodes
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DemoBench launches each new node in a terminal emulator. The ``View Database``, ``Launch Explorer`` and ``Launch Web Server`` buttons will all be disabled until the node has finished booting. DemoBench will then display simple statistics about the node such as its cash balance.
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..
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It is currently impossible from DemoBench to restart a node that has terminated, e.g. because the user typed "bye" at the node's shell prompt. However, that node's data and logs still remain in its directory.
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Exiting DemoBench
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When you terminate DemoBench, it will automatically shut down any nodes and explorers that it has launched and then exit.
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Profiles
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You can save the configurations and CorDapps for all of DemoBench's currently running nodes into a profile, which is a ``ZIP`` file with the following layout, e.g.:
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.. parsed-literal::
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notary/
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node.conf
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cordapps/
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banka/
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node.conf
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cordapps/
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bankb/
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node.conf
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cordapps/
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example-cordapp.jar
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...
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..
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When DemoBench reloads this profile it will close any nodes that it is currently running and then launch these new nodes instead. All nodes will be created with a brand new database. Note that the ``node.conf`` files within each profile are JSON/HOCON format, and so can be extracted and edited as required.
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DemoBench writes a log file to the following location:
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+--------------+-------------------------------------------+
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| MacOSX/Linux | ``$HOME/demobench/demobench.log`` |
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+--------------+-------------------------------------------+
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| Windows | ``%USERPROFILE%\demobench\demobench.log`` |
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+--------------+-------------------------------------------+
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Building the Installers
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-----------------------
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Gradle defines tasks that build DemoBench installers using JavaPackager. There are three scripts in the ``tools/demobench`` directory to execute these tasks:
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#. ``package-demobench-exe.bat`` (Windows)
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#. ``package-demobench-dmg.sh`` (MacOS)
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#. ``package-demobench-rpm.sh`` (Fedora/Linux)
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Each script can only be run on its target platform, and each expects the platform's installation tools already to be available.
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#. Windows: `Inno Setup 5+ <http://www.jrsoftware.org/isinfo.php>`_
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#. MacOS: The packaging tools should be available automatically. The DMG contents will also be signed if the packager finds a valid ``Developer ID Application`` certificate with a private key on the keyring. (By default, DemoBench's ``build.gradle`` expects the signing key's user name to be "R3CEV".) You can create such a certificate by generating a Certificate Signing Request and then asking your local "Apple team agent" to upload it to the Apple Developer portal. (See `here <https://developer.apple.com/library/content/documentation/IDEs/Conceptual/AppDistributionGuide/MaintainingCertificates/MaintainingCertificates.html>`_.)
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.. note::
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- Please ensure that the ``/usr/bin/codesign`` application always has access to your certificate's signing key. You may need to reboot your Mac after making any changes via the MacOS Keychain Access application.
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- You should use JDK >= 8u152 to build DemoBench on MacOS because this version resolves a warning message that is printed to the terminal when starting each Corda node.
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- Ideally, use the :ref:`jetbrains-jdk` to build the DMG.
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..
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3. Fedora/Linux: ``rpm-build`` packages.
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You will also need to define the environment variable ``JAVA_HOME`` to point to the same JDK that you use to run Gradle. The installer will be written to the ``tools/demobench/build/javapackage/bundles`` directory, and can be installed like any other application for your platform.
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.. _jetbrains-jdk:
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JetBrains JDK
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-------------
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Mac users should note that the best way to build a DemoBench DMG is with the `JetBrains JDK <https://github.com/JetBrains/jdk8u>`_
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which has `binary downloads available from BinTray <https://bintray.com/jetbrains/intellij-jdk>`_.
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This JDK has some useful GUI fixes, most notably, when built with this JDK the DemoBench terminal will support emoji
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and as such, the nicer coloured ANSI progress renderer. It also resolves some issues with HiDPI rendering on
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Windows.
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This JDK does not include JavaPackager, which means that you will still need to copy ``$JAVA_HOME/lib/ant-javafx.jar`` from an Oracle JDK into the corresponding directory within your JetBrains JDK.
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Developer Notes
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---------------
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Developers wishing to run DemoBench *without* building a new installer each time can install it locally using Gradle:
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.. parsed-literal::
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$ gradlew tools:demobench:installDist
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$ cd tools/demobench/build/install/demobench
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$ bin/demobench
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..
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Unfortunately, DemoBench's ``$CLASSPATH`` may be too long for the Windows shell . In which case you can still run DemoBench as follows:
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.. parsed-literal::
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> java -Djava.util.logging.config.class=net.corda.demobench.config.LoggingConfig -jar lib/demobench-$version.jar
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..
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While DemoBench *can* be executed within an IDE, it would be up to the Developer to install all of its runtime
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dependencies beforehand into their correct locations relative to the value of the ``user.dir`` system property (i.e. the
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current working directory of the JVM):
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.. parsed-literal::
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corda/
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corda.jar
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corda-webserver.jar
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explorer/
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node-explorer.jar
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cordapps/
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bank-of-corda.jar
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..
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