WebSocket 客户端

cargo add orbitflare-sdk --features ws

use orbitflare_sdk::{WsClientBuilder, RetryPolicy, Result};
use std::time::Duration;

let client = WsClientBuilder::new()
    .url("ws://ny.rpc.orbitflare.com")
    .fallback_url("ws://fra.rpc.orbitflare.com")
    .api_key("ORBIT-XXXXXX-NNNNNN-NNNNNN")
    .retry(RetryPolicy {
        initial_delay: Duration::from_millis(100),
        max_delay: Duration::from_secs(30),
        multiplier: 2.0,
        max_attempts: 0,
    })
    .ping_interval_secs(10)
    .max_missed_pongs(3)
    .build()
    .await?;

let client = WsClientBuilder::new()
    .url("ws://ny.rpc.orbitflare.com")
    .build()
    .await?;

.url("ws://ny.rpc.orbitflare.com")

.urls(&["ws://ny.rpc.orbitflare.com", "ws://fra.rpc.orbitflare.com"])

.fallback_url("ws://fra.rpc.orbitflare.com")

.api_key("ORBIT-XXXXXX-NNNNNN-NNNNNN")

.retry(RetryPolicy {
    initial_delay: Duration::from_millis(200),
    max_delay: Duration::from_secs(15),
    multiplier: 2.0,
    max_attempts: 0,
})

.ping_interval_secs(15)

.max_missed_pongs(5)

let mut sub = client.slot_subscribe().await?;

{"slot": 413014740, "parent": 413014739, "root": 413014708}

let mut sub = client.account_subscribe(
    "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "confirmed",
).await?;

let mut sub = client.logs_subscribe(
    &["6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P"],
    "confirmed",
).await?;

let mut sub = client.logs_subscribe(&[], "confirmed").await?;

let mut sub = client.signature_subscribe("5K8F2j...", "confirmed").await?;

while let Some(event) = sub.next().await {
    println!("{event}");
}

sub.unsubscribe().await;

let mut slots = client.slot_subscribe().await?;
let mut usdc = client.account_subscribe("EPjFWdd5...", "confirmed").await?;
let mut logs = client.logs_subscribe(&["6EF8r..."], "confirmed").await?;

use orbitflare_sdk::{WsClientBuilder, Result};

#[tokio::main]
async fn main() -> Result<()> {
    let client = WsClientBuilder::new()
        .url("ws://ny.rpc.orbitflare.com")
        .build()
        .await?;

    let mut slots = client.slot_subscribe().await?;
    let mut usdc = client.account_subscribe(
        "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "confirmed",
    ).await?;

    println!("watching slots and USDC mint account...");

    loop {
        tokio::select! {
            Some(slot) = slots.next() => {
                let s = slot["slot"].as_u64().unwrap_or(0);
                let parent = slot["parent"].as_u64().unwrap_or(0);
                println!("slot {s} (parent {parent})");
            }
            Some(acct) = usdc.next() => {
                let lamports = acct["lamports"].as_u64().unwrap_or(0);
                let data_len = acct["data"][0]
                    .as_str()
                    .map(|s| s.len())
                    .unwrap_or(0);
                println!("USDC mint updated: {lamports} lamports, {data_len} bytes");
            }
        }
    }
}