iota-client 1.4.0

The official, general-purpose IOTA client library in Rust for interaction with the IOTA network (Tangle)
Documentation 
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// Copyright 2021 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0

//! cargo run --example 08_data_message --release

use iota_client::{Client, Result};

/// In this example we will send a message without a payload

#[tokio::main]
async fn main() -> Result<()> {
    let iota = Client::builder()
        .with_node("https://api.lb-0.h.chrysalis-devnet.iota.cafe")?
        // .with_permanode("http://18.196.167.57:8000/api/permanode/", None, None)?
        .finish()
        .await?;

    let message = iota
        .message()
        .with_index("Hello")
        .with_data("Tangle".as_bytes().to_vec())
        .finish()
        .await?;

    println!(
        "Message sent https://explorer.iota.org/devnet/message/{}\n",
        message.id().0
    );

    let fetched_message_ids = iota.get_message().index("Hello").await.unwrap();
    println!("Messages with Hello index: {fetched_message_ids:?}");
    Ok(())
}