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fabric2rosnodejs for multi-host environment

Install all dependencies: Ros noetic + nodejs + tello ROS driver Node.js v16.x Installation:

curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash - &&\
sudo apt-get install -y nodejs

Install nodejs library for rclnodejs:

npm install rclnodejs

Configure network hosts in all the hosts

sudo nano /etc/hosts
192.168.xx.xx orderer.example.com 
192.168.xx.xx peer0.org1.example.com
192.168.xx.xx ca.org1.example.com
192.168.xx.xx peer0.org2.example.com
192.168.xx.xx ca.org2.example.com
192.168.xx.xx peer0.org3.example.com
192.168.xx.xx ca.org3.example.com

On all hosts, clone the repository

git clone git@github.com:TIERS/fabric2rosnodejs.git

On each host, bring up the network with script hostXup.sh

./hostXup.sh

On the orderer host, run the script to bring up the channel, join all peers to the channel, and deploy the chaincode

./mychannelup.sh

On the corresponding host, go to the application-javascript-ros-hostX folder and run both publisher and subscriber

node app-ros-publisher.js
# (another terminal)
node app-ros-subscriber.js

Now you should be able to see ros topics in the hosts!😊