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INSTALL.md

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yDaemon

Install on server

Once on your server, create the configuration to start the daemon.

  • We are using Ubuntu 22.04 (LTS) x64 for the server.
  • We are using Golang for the API with GoEthereum, Gorm and GinGonic

server.service

Run nano /etc/systemd/system/server.service and put this default config in it

[Unit]
Description=Yearn data API

[Service]
ExecStart=/root/ydaemon/yDaemon
Restart=always
EnvironmentFile=/etc/systemd/system/server.conf

[Install]
WantedBy=multi-user.target

server.service

Run nano /etc/systemd/system/server.conf and put the environment variables in it.

RPC_URI_FOR_1=
RPC_URI_FOR_10=
RPC_URI_FOR_137=
RPC_URI_FOR_250=
RPC_URI_FOR_8453=
RPC_URI_FOR_42161=

Needed packages

Install the packages needed to run the app

sudo apt-get install nginx #for the reverse proxy
sudo apt-get install certbot python3-certbot-nginx #for the SSL certificate
sudo apt-get update #some general update
sudo apt install golang #go

Nginx configuration

First, be sure to point your domain name to the API on your DNS configuration.
Then, we will setup Nginx. First, navigate to the enable websites with cd /etc/nginx/sites-enabled, remove the default configuration with rm -rf default and create the one for our API with nano yearn.server.conf.
Add this in your nginx configuration file (yearn.server.conf). Be sure to replace ydaemon.yearn.fi by your own domain.

upstream golang {
    server 127.0.0.1:8080;
    keepalive 4;
}

server {
    location / {
        proxy_pass http://golang;
    }

    listen 80;
    listen [::]:80;
    server_name ydaemon.yearn.fi;
}

Run the sudo certbot --nginx command to ask for a SSL certificate. Follow the instruction and wait to get a Successfully received certificate..

Build the executable

Now we will need to build the executable. First, clone this repo in ~/. You can now build the project the same way you could do it on your machine: go build -o yDaemon ./cmd && ./yDaemon

Start the daemon

Run the following commands:

systemctl daemon-reload #reload the services
sudo systemctl start server.service #start your service
sudo systemctl status server.service #verify that your service is ready