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Rewritten wrapper for Lightning Network Daemon in TypeScript based on LNDHub

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LNDKrub

Bitcoin-only Lightning Fork License: MIT Top Languages Size Last commit

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🚧 Warning This project is in early development, it does however work with real sats! Always use amounts you don't mind losing.

Rewritten wrapper for Lightning Network Daemon in TypeScript based on LNDHub. This is a tribute to the amazing work done by BlueWallet Team with some creative differences, as followed:

Creative differences and roadmap

  • TypeScript helps the project scale in the long-term.
  • Scrap monolithic structure for an easier to track modular one.
  • Dependency injection pattern for loose coupling.
  • Vite for front-end construction.
  • Vitest for API testing and BlueWallet compatibility maintenance.
  • Killed Object-Oriented Programming with fire when it came to ORM-like operations. 🔥

👷‍♂️ Pending tasks on the roadmap

  • Pair with crontab for script-running.
  • BlueWallet Acceptance Tests.
  • CI/CD: Reject commits which fail BlueWallet Acceptance Tests on origin/master.
  • Cache solution change: Change Redis solid-state drive caching to Memcached.
  • Create benchmark comparisons to justify redis -> memcached change.
  • Create mock services using sqlite3 and use them to create integration tests.
  • CI/CD: Reject commits which fail integration tests with attached mock services.
  • Orchestration: Write docker-compose.yaml for Umbrel App Framework.
  • Implement Nostr Wallet Connect NIP-47 on top of existing authentication.
  • Add bounties for above tasks.

INSTALLATION

You can install LNDKrub following the same guides to install LNDHub as followed

git clone [email protected]:krutt/lnd-krub.git
cd lnd-krub
yarn

Deploy to Heroku

Under renovation.

Reference client implementation

Under renovation.

Contributions

Aesir

Aesir is the preferred option for setting up local Lightning environment used in tests and experiments for this project. You must have Docker Daemon as well as Python 3.8+ installed in your local enviroment to make use of aesir command. The following command helps you deploy a local cluster where you can interact with one bitcoind node active as well as two Lightning Node Daemons (LNDs) named ping and pong with inbound and outbound liquidity channels to one another.

$ aesir deploy --with-postgres --with-redis
> Deploy duo cluster:                        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 0:00:01
> Generate addresses:                        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 0:00:00
> Mine initial capital for parties:          ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 0:00:00
$ aesir ping-pong
> Fetch LND nodekeys:                        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 0:00:00
> Open channels:                             ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 0:00:00
> <Channel 'aesir-ping --> aesir-pong' : txid='aa8d740e604746d946200fda22665a8d6a0766641895f9599da5264dceb0ea64'>
> <Channel 'aesir-pong --> aesir-ping' : txid='a36b213f47fdfe851bf06a5b1cfd34afb43c18330f26bc9a064810f512bb6876'>

Tests

After having local test environment setup using Aesir, please copy certificate files and macaroon files from local containers to your root folder with the following commands.

$ docker cp aesir-ping:/home/lnd/.lnd/tls.cert tls.cert
> Successfully copied 2.56kB to /Users/mackasitt/workspaces/lnd-krub/tls.cert
$ docker cp aesir-ping:/home/lnd/.lnd/data/chain/bitcoin/regtest/admin.macaroon admin.macaroon
> Successfully copied 2.05kB to /Users/mackasitt/workspaces/lnd-krub/admin.macaroon
$ docker cp aesir-pong:/home/lnd/.lnd/tls.cert target-tls.cert
> Successfully copied 2.56kB to /Users/mackasitt/workspaces/lnd-krub/target-tls.cert
$ docker cp aesir-pong:/home/lnd/.lnd/data/chain/bitcoin/regtest/admin.macaroon target-admin.macaroon
> Successfully copied 2.05kB to /Users/mackasitt/workspaces/lnd-krub/target-admin.macaroon

Now you will have all the necessary authentications on your file system ready to run tests, but wait ! The database deployed by aesir command still does not have the required database krubdb to keep track of accounts. You must create our very own PrismaClient first and migrate the latest database schema to the postgres container with the following commands.

$ yarn prisma:generate # OR pnpm run prisma:generate
> ✔ Generated Prisma Client (5.0.0 | library) to ./node_modules/@prisma/client in 101ms
> You can now start using Prisma Client in your code. Reference: https://pris.ly/d/client
> ```
> import { PrismaClient } from '@prisma/client'
> const prisma = new PrismaClient()
> ```
> ✨  Done in 0.89s.
$ yarn prisma:migrate # OR pnpm run prisma:migrate
> Environment variables loaded from .env
> Prisma schema loaded from prisma/schema.prisma
> Datasource "db": PostgreSQL database "krubdb", schema "public" at "localhost:5432"
>
> PostgreSQL database krubdb created at localhost:5432
>
> Applying migration `20230714202934_init`
>
> The following migration(s) have been applied:
>
> migrations/
>   └─ 20230714202934_init/
>     └─ migration.sql
>
> Your database is now in sync with your schema.

With aesir mine running in the background, you will be able to run all tests successfully with the following commands.

$ yarn test
# OR
$ pnpm run test
...

Test files are located under tests/ directory found under root folder of this project.

Responsible disclosures

Found critical bugs/vulnerabilities? Please email them to [email protected] Thanks!

License

This project is licensed under the terms of the MIT license.

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