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* refactor(cdk-lnbits): migrate to LNbits v1 websocket API and remove webhook support - Remove webhook-based payment notifications in favor of v1 websocket API - Add explicit documentation that only LNbits v1 API is supported - Remove webhook_url parameter and related router setup code - Simplify payment status handling by removing pending status logic - Switch to local lnbits-rs dependency for development - Remove unused axum dependency and clean up imports - Update configuration documentation and examples * refactor(cdk-lnbits): extract payment processing logic into helper methods Improve code readability by separating message processing, payment response creation, and payment hash decoding into dedicated methods. This reduces complexity in the main payment waiting loop while maintaining identical functionality * chore: bump lnbits-rs
4.9 KiB
4.9 KiB
Warning
This project is in early development, it does however work with real sats! Always use amounts you don't mind losing.
Cashu Development Kit
CDK is a collection of rust crates for Cashu wallets and mints written in Rust.
ALPHA This library is in early development, the api will change and should be used with caution.
Project structure
The project is split up into several crates in the crates/ directory:
- Libraries:
- cdk: Rust implementation of Cashu protocol.
- cdk-sqlite: SQLite Storage backend.
- cdk-postgres: PostgreSQL Storage backend.
- cdk-redb: Redb Storage backend.
- cdk-axum: Axum webserver for mint.
- cdk-cln: CLN Lightning backend for mint.
- cdk-lnd: Lnd Lightning backend for mint.
- cdk-lnbits: LNbits Lightning backend for mint. Note: Only LNBits v1 API is supported.
- cdk-fake-wallet: Fake Lightning backend for mint. To be used only for testing, quotes are automatically filled.
- cdk-mint-rpc: Mint management gRPC server and cli.
- Binaries:
- cdk-cli: Cashu wallet CLI.
- cdk-mintd: Cashu Mint Binary.
- cdk-mint-cli: Cashu Mint management gRPC client cli.
Development
For a guide to settings up a development environment see DEVELOPMENT.md
Implemented NUTs:
Mandatory
| NUT # | Description |
|---|---|
| 00 | Cryptography and Models |
| 01 | Mint public keys |
| 02 | Keysets and fees |
| 03 | Swapping tokens |
| 04 | Minting tokens |
| 05 | Melting tokens |
| 06 | Mint info |
Optional
| # | Description | Status |
|---|---|---|
| 07 | Token state check | ✔️ |
| 08 | Overpaid Lightning fees | ✔️ |
| 09 | Signature restore | ✔️ |
| 10 | Spending conditions | ✔️ |
| 11 | Pay-To-Pubkey (P2PK) | ✔️ |
| 12 | DLEQ proofs | ✔️ |
| 13 | Deterministic secrets | ✔️ |
| 14 | Hashed Timelock Contracts (HTLCs) | ✔️ |
| 15 | Partial multi-path payments (MPP) | ✔️ |
| 16 | Animated QR codes | ❌ |
| 17 | WebSocket subscriptions | ✔️ |
| 18 | Payment Requests | ✔️ |
| 19 | Cached responses | ✔️ |
| 20 | Signature on Mint Quote | ✔️ |
| 21 | Clear Authentication | ✔️ |
| 22 | Blind Authentication | ✔️ |
| 23 | Payment Method: BOLT11 | ✔️ |
License
Code is under the MIT License
Contribution
All contributions are welcome.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, shall be licensed as above, without any additional terms or conditions.
Please see the development guide.