Start the script to create initial values:

npm run update

If you had networks.json before, the script compaire it and save difference into diff.json. If you have .env parameters, the script also send difference to a Telegram chat.

• networks.json: array of filtered networks. Excluded if: id, name, title or chain key is excluded (internal parameters); without rpc, explorers or infoURL key; with API key.
• sources.json: array of sources (mostly domain names). Created from networks.json and excluded if: none of RPCs are available or we have problems with requests.
• diff.json: difference between previous and new versions of networks.json (created only if we have networks.json and some difference).
• logs.txt: errors here.

.env variables:

• NETWORKS_ENDPOINT: https://chainid.network/chains.json
• TELEGRAM_API: https://api.telegram.org/bot
• BOT_KEY: bot API key
• CHAT_ID: id of the chat where sending messages