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Rchain music dApp

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rchain/rsong

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RSong Proxy

A client facing REST layer to proxy RSong requests to RSongs Rholang contracts.

RSong is implemented as a combination of multiple microservices and their interactions. These microservices are:

  • acq, this is the RSong Acquisition service responsible for Acquiring assets
  • proxy, RSong Proxy provides RChain rnode REST layer
  • microbatch, tbd

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system

Prerequisites

Installs

clone and build the project

git clone git@github.com:rchain/rsong.gitcd rsongsbt compile

Running the project locally

To run the project locally:

  • set the environment variables
  • run the docker

Alternatively you may build and run the project from source code.

Environment variables

To run the project locally, configure your environment variables:

##export LOCAL_GRPC='localhost'export GCP_GRPC='dd.dd.dd.dd'export AWS_GRPC='dd.dd.dd.dd'export DOCKER_GRPC='172.17.0.2'export HTTP_PORT=9000export GRPC_SERVER=$LOCAL_GRPCexport GRPC_PORT_INTERNAL=40404export GRPC_PORT_EXTERNAL=40401export PRD_K8='http://prd-rchain.com'export DEV_K8='http://dev-rchain.com'export LOCAL_K8='http://localhost'export HOST_URL=$LOCAL_K8

You may consider usingdirenv to manage projects environment variables

Run the docker image

Circle CI build process publishes thersong-proxy docker image to docker hub. To run the image:

sccripts/docker-run.sh

Running the Source code

sbt clean compile run## to create a local dokcer imagesbt clean compile docker:stage docker:publishLocaldocker images | grep 'rsong-proxy'

Running tests:

tests are:

  • unit tests
  • integration tests

Unit tests

sbt clean test

Integration tests

  • configure .envrc for both rsong-proxy and rsong-acquisition are configured for the same node instance
  • executersong-acquisition to migrate the song data to node
  • build rsong-proxy and run integration tests
Execute rsong-acquisition
cd ../rsong-acquisition## make sure rsong-acquisition & rsong-proxy are using the same nodesbt clean compile universal:packageBincd target/universal && unzip ./rsong-acquisition-1.2-SNAPSHOT && cd rsong-acquisition-1.2-SNAPSHOT./bin/rsong-acquisition
Execute rsong-proxy integration tests

Integration tests are run by the python scriptrsong-int-tests.py.
The scripts assumesrequests is installed.

sbt clean compile run## from a different terminal:./scripts/rsong-int-tests.py localhost:9000

url Inventory

host='localhost:9000'## create a new user curl -X POST $host/v1/user/<user_id>## retrieve  user  objectcurl  $host/v1/user/<user_id>## retrive a user's songcurl -v  GET $host/v1/song/song1?userId=123 | jq##  retrive user's songscurl -v  GET $host/v1/song\?userId=user123\&perPage=10\&page=1 | jq

for asset urls, see output from:

curlGET$host/v1/song/song1?userId=123|jq

Built With

circle-ci

Runtime env

  • rnode
  • rsong-proxy

rnode

rnode is build from the latestrchain dev branch deployed to GCP.This is a single instance at this time.

rsong-proxy

rsong-proxy runs onkubernetes-cluster on GCPSeedeployment-prd-spec for more detail

References

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