Nostr protocol react-query based client SDK for Ecency

Overview

This repository contains react-query based SDK for Ececny vision and mobile projects

Installation

yarn add @ecency/ns-query

npm install @ecency/ns-query

Setup

1. Add ChatContextProvider to your App.tsx as root element
2. Pass there current user information via props

<ChatContextProvider activeUsername={} activeUserData={} />

3. Use!

Queries

High-level queries

1. Channels query – use this query for fetching user joined and created channels
   • Requirements – current user and its credentials
2. Community channel query – use this query for fetching the community channel from its posting json metadata
   • Requirements – nothing
3. Direct contacts query – use this query for fetching direct contacts of active user
   • Requirements – current user and its credentials
4. Left community channels query – use this query for fetching community channels from where active user had been left
   • Requirements – current user and its credentials
5. Messages query – use this query for fetching channel or contact messages based on their username
   • Requirements – current user and its credentials
   • Note – this query are invalidating each N seconds periodically to keep messages fresh
6. Joined community team query – use this query for fetching community team member which joined to chats and assigned to moderation team
   • Requirements – current user and its credentials

Low-level queries

Low-level queries builds the high-level queries above

1. Direct messages query – fetches direct messages by given direct contacts
2. Public messages query – fetches public messages by given channels
   • Both of them builds messages query and shouldn't be used for messages management.
3. Get user profile query – fetching user metadata from Nostr by given public key

Mutations

High-level mutations

All mutations marked as override channel metadata means that mutation could by run only by channel owner

1. Add community channel – adds community channel to community list(only locally w/o saving in Nostr or Ecency)
2. Add direct contact – adding direct contact to contacts list
3. Create community chat – creates community channel and make current user as owner
4. Fetch previous messages – fetches channel's previous messages and appends to messages query
5. Hide messages in channel – hides message in a channel by owner(it overrides community channel metadata)
6. Import chats by keys – imports existing chat account and saves encrypted chat keys to accounts posting metadata
7. Join chat – creates chatting account and saves encrypted chat keys to account metadata
8. Leave community channel – leaves community channel
9. Logout from chats – clears current active user chatting session
10. Resend message – resends failed messages which already exists in queries with status 2
11. Restore chat by PIN – restores logged out account session by PIN
12. Send message – sends message to specific direct contact or channel
13. Update channel's blocked users – updates channel's blocked users(overrides channel metadata)
14. Update channel's moderator – add, remove or update channel's moderator
15. Update community channel – updates community channel's information(overrides channel metadata)

Low-level mutations

1. Find healthy relay – finds healthy Nostr relay and return its host(uses by library itself – no need to re-use it)
2. Send direct message – sends message to direct contact(uses in Send message)
3. Send public message – sends message to channel(uses in Send message)
4. Update left channels – updates left channels list(uses in add community channel and Leave community channel)

Misc

useActiveUserSwitching – invalidates all Nostr queries each time when active user changes(no need to call, library use it itself).

useAutoScrollInChatBox – uses for auto-scrolling to the end of chatbox(available in Web only)