Use Fluence from Rust with ConnectedClient crate

Cargo.toml

[package]
name = "concl"
version = "0.1.0"
edition = "2018"

[dependencies]
connected-client = { git = "https://github.com/fluencelabs/fluence" }
eyre = "0.6.5"
maplit = "1.0.2"
serde_json = "1.0.64"

main.rs

use connected_client::ConnectedClient;
use eyre::Result;

fn main() -> Result<()> {
    let mut client: ConnectedClient = ConnectedClient::connect_to("/dns4/kras-00.fluence.dev/tcp/7770".parse()?)?;
    let id = client.send_particle(
        r#"
        (seq
            (call relay ("op" "noop") [])
            (call %init_peer_id% ("callbackSrv" "response") ["hey"])
        )
        "#, 
        maplit::hashmap! { 
            "relay" => serde_json::json!(client.node.to_string())
        }
    );
    println!("particle id: {}", id);
    
    let answer = client.wait_particle_args(id)?;
    println!("got answer: {:?}", answer);

    Ok(())
}