7 releases (breaking)
0.5.0 | Nov 19, 2024 |
---|---|
0.4.0 | Sep 8, 2024 |
0.3.0 | Aug 31, 2024 |
0.2.0 | Jul 11, 2024 |
0.0.0 | Apr 6, 2024 |
#1 in #cashu
290 downloads per month
Used in 12 crates
550KB
12K
SLoC
Cashu Development Kit
ALPHA This library is in early development, the api will change and should be used with caution.
CDK is the core crate implementing the cashu protocol for both the Wallet and Mint.
Crate Feature Flags
The following crate feature flags are available:
Feature | Default | Description |
---|---|---|
wallet |
Yes | Enable cashu wallet features |
mint |
Yes | Enable cashu mint wallet features |
Implemented NUTs:
See https://github.com/cashubtc/cdk/blob/main/README.md
Examples
//! Wallet example with memory store
use std::sync::Arc;
use std::time::Duration;
use cdk::amount::SplitTarget;
use cdk::cdk_database::WalletMemoryDatabase;
use cdk::nuts::{CurrencyUnit, MintQuoteState};
use cdk::wallet::Wallet;
use cdk::Amount;
use rand::Rng;
use tokio::time::sleep;
#[tokio::main]
async fn main() {
let seed = rand::thread_rng().gen::<[u8; 32]>();
let mint_url = "https://testnut.cashu.space";
let unit = CurrencyUnit::Sat;
let amount = Amount::from(10);
let localstore = WalletMemoryDatabase::default();
let wallet = Wallet::new(mint_url, unit, Arc::new(localstore), &seed);
let quote = wallet.mint_quote(amount).await.unwrap();
println!("Pay request: {}", quote.request);
loop {
let status = wallet.mint_quote_state("e.id).await.unwrap();
if status.state == MintQuoteState::Paid {
break;
}
println!("Quote state: {}", status.state);
sleep(Duration::from_secs(5)).await;
}
let receive_amount = wallet
.mint("e.id, SplitTarget::default(), None)
.await
.unwrap();
println!("Minted {}", receive_amount);
let token = wallet
.send(amount, None, None, &SplitTarget::None)
.await
.unwrap();
println!("{}", token);
}
See more examples in the examples folder.
Minimum Supported Rust Version (MSRV)
The cdk
library should always compile with any combination of features on Rust 1.63.0.
To build and test with the MSRV you will need to pin the below dependency versions:
cargo update -p half --precise 2.2.1
cargo update -p tokio --precise 1.38.1
cargo update -p reqwest --precise 0.12.4
cargo update -p serde_with --precise 3.1.0
cargo update -p regex --precise 1.9.6
cargo update -p backtrace --precise 0.3.58
# For wasm32-unknown-unknown target
cargo update -p bumpalo --precise 3.12.0
License
This project is distributed under the MIT software license - see the LICENSE file for details
Dependencies
~20–34MB
~490K SLoC