get_info.rs

// Copyright 2022 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0

//! Returns general information about the node by querying its `/api/core/v2/info` endpoint.
//!
//! Rename `.env.example` to `.env` first, then run the command:
//! ```sh
//! cargo run --release --all-features --example get_info [NODE URL]
//! ```

use iota_sdk::client::{Client, Result};

#[tokio::main]
async fn main() -> Result<()> {
    // If not provided we use the default node from the `.env` file.
    dotenvy::dotenv().ok();

    // Take the node URL from command line argument or use one from env as default.
    let node_url = std::env::args()
        .nth(1)
        .unwrap_or_else(|| std::env::var("NODE_URL").expect("NODE_URL not set"));

    // Create a node client.
    let client = Client::builder()
        .with_node(&node_url)?
        .with_ignore_node_health()
        .finish()
        .await?;

    // Get node info.
    let info = client.get_info().await?.node_info;

    println!("{info}");

    Ok(())
}