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docs: added technical design #3

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y merged 4 commits from technical-design into main 2025-03-24 07:51:38 +00:00
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# Cellar Social Technical Design
## Description
Sellar Social is a platform where aficionados of international wine, sake, spirits and coffee can review, discuss, and order it.
## Key Features
Cellar Social will provide the following capabilities:
- Login using Nostr identity.
- View products.
- Leave product review.
- Evaluate multiple properties of the product.
- Provide a description.
- Upload media files.
- View product review.
- Leave a comment.
- Zap a review or a comment.
- Visit the product producer page.
- Leave a comment.
- Zap a producer or a comment.
- Order the product.
- Engage with product related community.
- Provide NIP-05 names.
- View and sign on to events.
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b commented 2025-03-21 14:01:53 +00:00
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sign UP to in-person events

sign UP to in-person events
## Design
Cellar Cocial consists of the backend and frontend apps supported by the database and the relay.
All services will be deployed to the linux ([Ubuntu](https://ubuntu.com/)) server and traffic routing will be manged by [Nginx](https://nginx.org/). The entire server should be backed up daily.
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b commented 2025-03-21 13:51:51 +00:00
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Backups will happen at the host level, right?

Backups will happen at the host level, right?
y commented 2025-03-21 14:34:38 +00:00
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yes

yes
Cellar Social will also use external service for media hosting to avoid inappropriate data.
![Alt text](./technical-design-assets/technical-design.svg)
`Client` - [frontend app](#frontend)
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b commented 2025-03-21 13:52:45 +00:00
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Might be better to rename this as the "Website" given that there are multiple (including non-hosted) frontend components

Might be better to rename this as the "Website" given that there are multiple (including non-hosted) frontend components
y commented 2025-03-24 06:51:30 +00:00
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Makes sense

Makes sense
`API` - [backend app](#backend)
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b commented 2025-03-21 13:53:30 +00:00
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Perhaps rename this as "API"? Or keep as "backend" and include both API and the DB.

Perhaps rename this as "API"? Or keep as "backend" and include both API and the DB.
👍 1
`DB` - [database](#database)
`APP Relay` - [relay](#relay)
`Media Server` - [media server](#media-server)
`NIP-05` - NIP-05 name register
`Npub Whitelist` - collection of whitelisted Npubs
### Frontend
The frontend app (`Client`) is a web application that users will be able to use by visiting a URL via browser (browsers list is not defined at the moment). The app will be built using the following technologies:
- [TypeScript](https://www.typescriptlang.org/)
- [React](https://react.dev/)
- [Nostr Login](https://github.com/nostrband/nostr-login) (authentication)
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b commented 2025-03-21 13:55:27 +00:00
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is it worth mentioning the NDK, or the library we'll implement?

is it worth mentioning the NDK, or the library we'll implement?
y commented 2025-03-21 14:37:12 +00:00
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potentially we'll use not just NDK, but nostr-tools or applesouce too. I would say it is more implementation details.

potentially we'll use not just NDK, but nostr-tools or applesouce too. I would say it is more implementation details.
HTTP requests to Cellar Social API should include Nostr signatures, so the backend app will be able validate it and provide the response.
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b commented 2025-03-21 13:55:36 +00:00
Review

mention NIP-98

mention NIP-98
👍 1
Frontend app will use websocket connections to the `APP Relay` to read/write appropriate data.
Frontend app should let users register [NIP-05](https://github.com/nostr-protocol/nips/blob/master/05.md) names and manage users' metadata.
### Backend
The backend app (`API`) is a RESTful API that can be used via HTTP requests. It will be built using the following technologies:
- [TypeScript](https://www.typescriptlang.org/)
- [Node.js](https://nodejs.org/en)
- [Express.js](https://expressjs.com/)
HTTP requests to the backend app should include Nostr signatures, so the app will be able to validate it and provide the response.
The backend app will have access to the database and will perform CRUD (create/read/update/delete) operations.
The backend app will also manage Npub whitelisting that `APP Relay` will use.
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b commented 2025-03-21 14:02:56 +00:00
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will also provide an npub verification service for the whitelisting function on the relay

will also provide an npub verification service for the whitelisting function on the relay
### Database
[Cassandra](https://cassandra.apache.org/_/index.html) will be used as a NoSQL database (`DB`) to persist business data. Only the backend app will have access to the database.
The following tables are planned in the database:
- Users
- Coffee
- Sake
- Spirits
- Wine
- Reviews
- NostrEvents
Database has to be backed up daily.
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b commented 2025-03-21 13:56:31 +00:00
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is this separate to the box backup? If so, how will we manage the backups..

is this separate to the box backup? If so, how will we manage the backups..
👍 1
y commented 2025-03-24 07:11:11 +00:00
Review

You are right, we don't need to back the DB up separately unless a more frequent DB backup is required.

You are right, we don't need to back the DB up separately unless a more frequent DB backup is required.
### Relay
[strfry](https://github.com/hoytech/strfry) (`APP Relay`) will be used for Nostr events.
Npub whitelisting has to be enabled for strict relay access.
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b commented 2025-03-21 13:57:54 +00:00
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maybe a description of how this will work - eg, a javascript function injection on the relay event listener, which calls GET /user/verify/$npub or sth like that

maybe a description of how this will work - eg, a javascript function injection on the relay event listener, which calls `GET /user/verify/$npub` or sth like that
👍 1
### Media Server
[nostr.build](https://nostr.build/) will be used as a media server. It is used to avoid inappropriate data while media uploads.
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b commented 2025-03-21 14:01:07 +00:00
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used because of their excellent service and safety protections. Users can make use of their existing nostr.build subscriptions when they upload content.

link: https://nostr.build/features/

used because of their excellent service and safety protections. Users can make use of their existing nostr.build subscriptions when they upload content. link: https://nostr.build/features/