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Backend for the Logos Node Explorer
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node-explorer-client @ e9bb612
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README.md
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server.js

README.md

Node Explorer Server

Setup

  1. Clone the repository from github

    git clone https://github.com/LogosNetwork/node-explorer-server.git
    
  2. Pull the submodules from the client

    git submodule foreach git pull origin master
    
  3. Install Node.js via NVM

    wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
    

    restart terminal window and then verify installation

    command -v nvm
    

    Install LTS of node

    nvm install node
    
  4. Install PM2

    npm install pm2@latest -g
    
  5. Install Node Modules for server You might need to have npm access to the private SDK's if they are not open source yet!

    cd /node-explorer-server
    npm install
    
  6. Install Node Modules for client You might need to have npm access to the private SDK's if they are not open source yet!

    cd /node-explorer-client
    npm install
    
  7. Install PostgresSQL

    sudo apt-get update
    sudo apt-get install postgresql postgresql-contrib
    sudo -i -u postgres
    createuser --interactive
    sudo -u logosnodeexplorer createdb accountusername
    
  8. Install Redis Follow this guide

  9. Setup Nginx Enabled UFW (make sure to allow OpenSSH)

    sudo ufw allow OpenSSH
    sudo ufw enable
    

    Next follow this guide to install nginx

  10. Setup SSL Follow this guide to setup SSL

  11. Configure the server Set the config.json inside of the node-explorer-server to

    {
        "environment": "production",
        "system": {
            "port": 3000
        },
        "faucetPrivateKey": "PrivateKeyOfTheFaucetAccount",
        "accountID": "AccountIdOfFaucetAccount",
        "accountKey": "PublicKeyOfFaucetAccount",
        "database": {
            "development": {
                "database": "logosnodeexplorer",
                "username": "TheUser",
                "password": "TheUser'sPassword",
                "host": "localhost",
                "dialect": "postgres"
            },
            "production": {
                "database": "logosnodeexplorer",
                "username": "TheUser",
                "password": "TheUser'sPassword",
                "host": "localhost",
                "dialect": "postgres"
            }
        },
        "mqtt": {
            "wsport": 8883,
            "wssport": 8443,
            "port": 1883,
            "securePort": 1883,
            "url": "wss:pla.bs:8443",
            "options": {
                "clientId": "prometheanlabs",
                "username": "prometheanlabs",
                "password": "1234"
            },
            "block": {
                "opts": {
                    "qos": 2,
                    "retain": false
                }
            }
        },
        "keyPath": "/etc/letsencrypt/live/pla.bs/privkey.pem",
        "certPath": "/etc/letsencrypt/live/pla.bs/fullchain.pem",
        "delegates": {
            "0": "100.25.175.142",
            "1": "174.129.135.230",
            "2": "18.208.239.123",
            "3": "18.211.1.90",
            "4": "18.233.175.15",
            "5": "18.233.235.87",
            "6": "3.81.242.200",
            "7": "3.82.164.171",
            "8": "34.227.209.242",
            "9": "34.237.166.184",
            "10": "34.239.238.121",
            "11": "35.170.167.20",
            "12": "50.17.125.174",
            "13": "52.203.151.67",
            "14": "52.23.71.123",
            "15": "52.6.18.99",
            "16": "52.6.230.153",
            "17": "52.86.212.70",
            "18": "54.145.211.218",
            "19": "54.145.253.93",
            "20": "54.147.201.7",
            "21": "54.147.253.43",
            "22": "54.163.88.0",
            "23": "54.166.158.6",
            "24": "54.197.141.197",
            "25": "54.205.169.103",
            "26": "54.236.190.13",
            "27": "54.242.31.23",
            "28": "54.80.152.235",
            "29": "54.84.116.105",
            "30": "54.85.141.93",
            "31": "54.91.99.2"
        }
    }
    

    make sure you have ownership of the cert and private key SSL

  12. Set NGINX sites-enabled config

    sudo nano /etc/nginx/sites-enabled/default
    
    upstream nodeexplorer {
            ip_hash;
            server 127.0.0.1:3000;
            keepalive 64;
    }
    
    server {
            listen 80 default_server;
            listen [::]:80 default_server;
    
            root /var/www/html;
    
            index index.html index.htm index.nginx-debian.html;
    
            server_name pla.bs www.pla.bs;
    
            location / {
                    proxy_buffering off;
                    proxy_pass http://nodeexplorer;
                    proxy_http_version 1.1;
                    proxy_send_timeout 240s;
                    proxy_set_header Upgrade $http_upgrade;
                    proxy_set_header Connection 'upgrade';
                    proxy_set_header Host $host;
                    proxy_set_header X-Real-IP $remote_addr;
                    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                    proxy_set_header X-Forwarded-Proto $scheme;
                    proxy_set_header X-NginX-Proxy true;
            }
    
        listen [::]:443 ssl ipv6only=on; # managed by Certbot
        listen 443 ssl; # managed by Certbot
        ssl_certificate /etc/letsencrypt/live/pla.bs/fullchain.pem; # managed by Certbot
        ssl_certificate_key /etc/letsencrypt/live/pla.bs/privkey.pem; # managed by Certbot
        include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
    
        # if ($host = www.pla.bs) {
        #    return 301 https://$host$request_uri;
        # } # managed by Certbot
    
        # if ($host = pla.bs) {
        #    return 301 https://$host$request_uri;
        # } # managed by Certbot
    }
    
  13. Enabled UFW for WS and WSS ports

    sudo ufw allow 8883
    sudo ufw allow 8443
    
  14. Turn on the server!

    pm2 start server.js
    
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