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0.0.3

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@0xintuition/slang-cli

web3 scaffolding made easy

ceramiccomposedbintuitionipfslitweb3
Published22 Mar 2023
Direct dependencies48
Transitive dependenciesNot calculated

README

Current package documentation
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         (_)           (__)    (__)                      (_)

Web3 Backends Made Easy

Commands

  • slang composedb:generate : Generates ComposeDB composites, types, and a full-featured sql client for reads

more coming soon...

Using the Generator

  1. Install Slang globally

    npm install -g @0xintuition/slang-cli

  2. Fill in a .env file with the following content (replace with your info):

    COMPOSEDB_API_URL="http://localhost:7007"
COMPOSEDB_DB_URL="sqlite:///Users/<your_username>/.ceramic/indexing.sqlite"
COMPOSEDB_PRIVATE_KEY=<your_composedb_private_key>

  3. Define a /schema folder at the root of your package/repository and add some schemas

    • All files must ordered in the way they are to be deployed (see the test package for example)

    • Dependent model id's can be referenced by using a template string with the model name EG: id: "${List}"

  4. Run a local ComposeDB instance

    npx @ceramicnetwork/cli daemon
    • Make sure that the admin did is set, for more details check out the composedb docs

  5. Run slang composedb:generate and you're off to the races!

Using the Client

Check out the code in __generated__/ after running the generator to see what's available.

Reads

Reads can be done by using the Prisma client included in the distributed client like so:

const client = new Client(...stuff)
const dbStuff = await client.prisma.myModelName.findMany(...moreStuff)

Since the stream_content column in the database is JSON, the resulting data is untyped. To parse this into a type-safe format, helper functions are included with each service that add a data field with the typed object. For example:

const client = new Client(...stuff)
const dbStuff = await client.prisma.myModelName.findMany(...moreStuff)
/**
 * dbStuff = [
 * {
 *   stream_id: string,
 *   controller_did: string,
 *   stream_content: any,
 *  ...
 * }
 * ...]
 */
const parsedDBStuff = dbStuff.map((s) => client.myModelNameService.parse(s))
/**
 * dbStuff = [
 * {
 *   stream_id: string,
 *   controller_did: string,
 *   stream_content: any,
 *   data: MyModelType
 *  ...
 * }
 * ...]
 */

I realize this is not ideal, however it will improve soon as Prisma has been dramatically improving JSON support.

Writes

WRITES MUST BE DONE THROUGH THE COMPOSEDB CLIENT (NOT PRISMA)!!!!!!

Nice types are included to make this very simple. For example:

const client = new Client(...stuff)
const resp = await client.myModelNameService.create({
  content: {
    ...myModelFieldsForCreation,
  },
})

Zod is used to validate the input fields and ensure they conform to the model schemas you defined.

Current Issues

  • SQLite's dynamic typing causes issues with reading integers that are greater than the 32bit max issue. This will cause problems with ComposeDB, however the Postgres backend works swimmingly!

Future Plans

  • Transpiled client code (currently output in typescript)

  • Add Lit command to generate relay code for interacting with PKP's + walletless onboarding

  • Add --encrypt flag to composedb:generate to automatically handle encrypting/decrypting ComposeDB data

  • Whatever else you might suggest!

Special Thanks

Downloads & popularity

Awaiting observations

No metric observations yet

Download counts and popularity will appear here as the collector receives them.

Declared dependencies 48

Native requirements
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Package / targetRequirementRelationship
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Distribution files

1 collected
Distribution 1

Source distribution

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package_version:331948671c9ca7d4d4626f985aa189f888958b4e2da081aa46695d92bc0bda86

Other collected versions

0.0.87 Apr0.0.77 Apr0.0.67 Apr0.0.57 Apr0.0.422 Mar0.0.221 MarView all collected versions →