keygen-rs 0.10.3

Unofficial Rust SDK for integrating with the keygen.sh licensing service.
Documentation 
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use dotenv::dotenv;
use keygen_rs::{
    config::{self, KeygenConfig},
    errors::Error,
};
use std::env;

#[tokio::main]
async fn main() -> Result<(), Error> {
    dotenv().ok();

    config::set_config(KeygenConfig {
        api_url: env::var("KEYGEN_API_URL").expect("KEYGEN_API_URL must be set"),
        account: env::var("KEYGEN_ACCOUNT").expect("KEYGEN_ACCOUNT must be set"),
        product: env::var("KEYGEN_PRODUCT").expect("KEYGEN_PRODUCT must be set"),
        license_key: Some(env::var("KEYGEN_LICENSE_KEY").expect("KEYGEN_LICENSE_KEY must be set")),
        public_key: Some(env::var("KEYGEN_PUBLIC_KEY").expect("KEYGEN_PUBLIC_KEY must be set")),
        ..KeygenConfig::default()
    })?;

    let fingerprint = machine_uid::get().unwrap_or("".into());
    if let Ok(license) = keygen_rs::validate(std::slice::from_ref(&fingerprint), &[]).await {
        license.deactivate(&fingerprint).await?;
        println!("License deactivated successfully");
    };

    Ok(())
}