nostr-sdk 0.45.0

A full-featured SDK for building high-performance and reliable nostr applications.
Documentation 
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use std::future::IntoFuture;

use crate::client::{Client, Error};
use crate::future::BoxedFuture;

/// Remove all relays from the pool.
#[must_use = "Does nothing unless you await!"]
pub struct RemoveAllRelays<'client> {
    client: &'client Client,
    force: bool,
}

impl<'client> RemoveAllRelays<'client> {
    pub(crate) fn new(client: &'client Client) -> Self {
        Self {
            client,
            force: false,
        }
    }

    /// Force remove all the relays
    #[inline]
    pub fn force(mut self) -> Self {
        self.force = true;
        self
    }
}

impl<'client> IntoFuture for RemoveAllRelays<'client> {
    type Output = Result<(), Error>;
    type IntoFuture = BoxedFuture<'client, Self::Output>;

    fn into_future(self) -> Self::IntoFuture {
        Box::pin(async move {
            self.client.pool().remove_all_relays(self.force).await;
            Ok(())
        })
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::relay::RelayCapabilities;

    #[tokio::test]
    async fn test_remove_all_relays() {
        let client = Client::default();

        client.add_relay("ws://127.0.0.1:6666").await.unwrap();

        client.add_relay("ws://127.0.0.1:7777").await.unwrap();

        client
            .add_relay("ws://127.0.0.1:8888")
            .capabilities(RelayCapabilities::default() | RelayCapabilities::GOSSIP)
            .await
            .unwrap();

        assert_eq!(client.relays().await.len(), 3);
        assert_eq!(client.pool().all_relays().await.len(), 3);

        // Remove all relays
        client.remove_all_relays().await.unwrap();
        assert!(client.relay("ws://127.0.0.1:6666").await.unwrap().is_none());
        assert!(client.relay("ws://127.0.0.1:7777").await.unwrap().is_none());
        assert!(client.relay("ws://127.0.0.1:8888").await.is_ok()); // The GOSSIP relay still exists
        assert!(client.relays().await.is_empty()); // This gets only the READ/WRITE relays, which are now 0
        assert_eq!(client.pool().all_relays().await.len(), 1); // The GOSSIP relay still exists
    }

    #[tokio::test]
    async fn test_force_remove_all_relays() {
        let client = Client::default();

        client.add_relay("ws://127.0.0.1:6666").await.unwrap();

        client.add_relay("ws://127.0.0.1:7777").await.unwrap();

        client
            .add_relay("ws://127.0.0.1:8888")
            .capabilities(RelayCapabilities::default() | RelayCapabilities::GOSSIP)
            .await
            .unwrap();

        assert_eq!(client.relays().await.len(), 3);
        assert_eq!(client.pool().all_relays().await.len(), 3);

        // Force remove all relays
        client.remove_all_relays().force().await.unwrap();

        // Check if relays map is empty
        assert!(client.relays().await.is_empty());
        assert!(client.pool().all_relays().await.is_empty());

        // Double check that relays doesn't exist
        assert!(client.relay("ws://127.0.0.1:6666").await.unwrap().is_none());
        assert!(client.relay("ws://127.0.0.1:7777").await.unwrap().is_none());
        assert!(client.relay("ws://127.0.0.1:8888").await.unwrap().is_none());
    }
}