mirror of
https://github.com/corda/corda.git
synced 2024-12-19 04:57:58 +00:00
60 lines
3.8 KiB
Markdown
60 lines
3.8 KiB
Markdown
# IRS Demo
|
|
|
|
This demo brings up three nodes: Bank A, Bank B and a node that simultaneously runs a notary, a network map and an
|
|
interest rates oracle. The two banks agree on an interest rate swap, and then do regular fixings of the deal as the
|
|
time on a simulated clock passes.
|
|
|
|
Functionality is split into two parts - CordApp which provides actual distributed ledger backend and Spring Boot
|
|
webapp which provides REST API and web frontend. Application communicate using Corda RPC protocol.
|
|
|
|
To run from the command line in Unix:
|
|
1. Run ``./gradlew samples:irs-demo:cordapp:deployNodes`` to install configs and a command line tool under
|
|
``samples/irs-demo/cordapp/build``
|
|
2. Run ``./gradlew samples:irs-demo:web:deployWebapps`` to install configs and tools for running webservers
|
|
3. Move to the ``samples/irs-demo/`` directory
|
|
4. Run ``./cordapp/build/nodes/runnodes`` to open up three new terminals with the three nodes (you may have to install xterm)
|
|
5. On Linux, run ``./web/build/webapps/runwebapps`` to open three more terminals for associated webservers. On macOS,
|
|
use the following command instead: ``osascript ./web/build/webapps/runwebapps.scpt``
|
|
|
|
To run from the command line in Windows:
|
|
|
|
1. Run ``gradlew.bat samples:irs-demo:cordapp:deployNodes`` to install configs and a command line tool under
|
|
``samples\irs-demo\build``
|
|
2. Run ``gradlew.bat samples:irs-demo:web:deployWebapps`` to install configs and tools for running webservers
|
|
3. Run ``cd samples\irs-demo`` to change current working directory
|
|
4. Run ``cordapp\build\nodes\runnodes.bat`` to open up several 3 terminals for each nodes
|
|
5. Run ``web\build\webapps\runwebapps.bat`` to open up several 3 terminals for each nodes' webservers
|
|
|
|
This demo also has a web app. To use this, run nodes and then navigate to http://localhost:10007/ and
|
|
http://localhost:10010/ to see each node's view of the ledger.
|
|
|
|
To use the web app, click the "Create Deal" button, fill in the form, then click the "Submit" button. You can then use
|
|
the time controls at the top left of the home page to run the fixings. Click any individual trade in the blotter to
|
|
view it.
|
|
|
|
*Note:* The IRS web UI currently has a bug when changing the clock time where it may show no numbers or apply fixings
|
|
inconsistently. The issues will be addressed in a future milestone release. Meanwhile, you can take a look at a simpler
|
|
oracle example here: https://github.com/corda/oracle-example.
|
|
|
|
## Running the system test
|
|
|
|
The system test utilize docker. Amount of RAM required to run the IRS system test is around 2.5GB, it is important
|
|
to allocated appropriate system resources (On MacOS/Windows this may require explicit changes to docker configuration)
|
|
|
|
### Gradle
|
|
|
|
The system test is designed to exercise the entire stack, including Corda nodes and the web frontend. It uses [Docker](https://www.docker.com), [docker-compose](https://docs.docker.com/compose/), and
|
|
[PhantomJS](http://phantomjs.org/). Docker and docker-compose need to be installed and configured to be inside the system path
|
|
(default installation). PhantomJs binary have to be put in a known location and have execution permission enabled
|
|
(``chmod a+x phantomjs`` on Unix) and the full path to the binary exposed as system property named ``phantomjs.binary.path`` or
|
|
a system variable named ``PHANTOMJS_BINARY_PATH``.
|
|
Having this done, the system test can be run by running the Gradle task ``:samples:irs-demo:systemTest``.
|
|
|
|
### Other
|
|
|
|
In order to run the the test by other means that the Gradle task - two more system properties are expected -
|
|
``CORDAPP_DOCKER_COMPOSE`` and ``WEB_DOCKER_COMPOSE`` which should specify full path docker-compose file for IRS cordapp
|
|
and web frontend respectively. Those can be obtained by running ``:samples:irs-demo:cordapp:prepareDockerNodes`` and
|
|
``web:generateDockerCompose`` Gradle tasks. ``systemTest`` task simply executes those two and set proper system properties up.
|
|
|