pubky 0.4.2-rc.2

Pubky core client
Documentation 
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# Pubky

Rust implementation implementation of [Pubky](https://github.com/pubky/pubky-core) client.

## Quick Start

```rust
use pubky_testnet::Testnet;
use pubky::{Client, Keypair};

#[tokio::main]
async fn main () {
  // Mainline Dht testnet and a temporary homeserver for unit testing.
  let testnet = Testnet::run_with_hardcoded_configurations().await.unwrap();
  let homeserver = testnet.run_homeserver().await.unwrap();

  let client = Client::builder().testnet().build().unwrap();

  // Uncomment the following line instead if you are not just testing.
  // let client Client::builder().build().unwrap();

  // Generate a keypair
  let keypair = Keypair::random();

  // Signup to a Homeserver
  let keypair = Keypair::random();
  client.signup(&keypair, &homeserver.public_key(), None).await.unwrap();

  // Write data.
  let url = format!("pubky://{}/pub/foo.txt", keypair.public_key());
  let url = url.as_str();

  let data = [0, 1, 2, 3, 4].to_vec();

  // The client has the same familiar API of a reqwest client
  client.put(url).body(data.clone()).send().await.unwrap();

  // Read using a Public key based link
  let response = client.get(url).send().await.unwrap();
  let response_data = response.bytes().await.unwrap();

  assert_eq!(response_data, data);

  // Delete an entry.
  client.delete(url).send().await.unwrap();

  let response = client.get(url).send().await.unwrap();

  assert_eq!(response.status(), 404);
}
```

## Example code

Check more [examples](https://github.com/pubky/pubky-core/tree/main/examples) for using the Pubky client.