cosmos-relayer-monitor

• linux system service

• Uses nodejs to:

  • start relayer instances (one instance per path)
  • rly stdout redirected to websocket
  • http server with dashboard to monitor

• optional configuration:

  • periodic restart of relayers

• contextual awareness for

  • insufficient fee

Setup Instructions:

1) Set up files

Clone repo

git clone https://github.com/jasbanza/cosmos-relayer-monitor.git

Navigate to project root and install node dependencies

cd cosmos-relayer-monitor

npm install

Optional - update path to node executable for the ExecStart property in the service file. (root's path might differ to the logged in user / nvm's path, and if it's an older version of nodejs, it might break stuff...)

which node

2) Set up background service

Copy the .service file into /etc/systemd/system/

cp cosmos-relayer-monitor.service /etc/systemd/system/cosmos-relayer-monitor.service

Make it executable

sudo chmod 755 /etc/systemd/system/cosmos-relayer-monitor.service

Restart systemctl to register the new service

systemctl daemon-restart

Check status of mute scheduler background process:

systemctl status cosmos-relayer-monitor.service

Any errors can be found in the log:

journalctl -u cosmos-relayer-monitor.service

3) Expose web service

Allow port 3333 through firewall

sudo ufw allow 3333 comment "cosmos-relayer-monitor"

Check if web server is accessible on port 3333