This CordApp caches a file using a Corda Service
which contains the list of names of parties to which some data needs to be sent.
In our case the data is just a simple hello
The Flow then loads the cached file sends data or 'Hello' in our case to parties mentioned in the file.
Step 1: From the Project DIR
do a gradle deployNodes to create the nodes.
Step 2: From the Project DIR
Do a gradle createServer to create the BootJar in demo-server project.
Step 3: Start the Nodes
Navigate inside ./build/node/
and runnodes
to start the node
Step 4: Start the WebServer
Navigate inside ./build/node/
and runserver
to start the servers
Related Info
PartyA is listening on localhost:8080, PartyB is listenting on localhost:8081, and PartyC is listening on localhost:8082.
Only PartyA has privilege to run the service. demo-service cordapp is deployed on PartyA only. In build/node/PartyA/ you will find 2 folders. Cache and Response: Cache is the CacheDir where the okHttp Cache is saved. Response is the Folder where the partyList.txt file gets saved.
Ethereal Service is responsible to get the List of Parties from the outside out. To which Hello
should be sent.
Downloads file from link: https://raw.githubusercontent.com/kid101/cordacon/master/sayhelloto Location can be changed to point to some other location.
After downloading the file. Flow Loads it and sends hello to parties mentioned in the file.
API
demo/hello
to test the server is workingdemo/me
to get the node's identitydemo/sayHelloTo
to send hello to the parties mentioned in the partyList.txtdemo/getAllHello/{pageNumber}
to view all the hello's
Common Issues:
If facing access issues to jar or shell script or log file: chmod
to give appropriate permissions.