3 unstable releases

new 0.2.0 Apr 19, 2024
0.1.1 Jan 15, 2024
0.1.0 Jan 12, 2024

#2837 in Magic Beans

38 downloads per month
Used in 2 crates

Apache-2.0

640KB
13K SLoC

Lumina node

A crate to configure, run and interact with Celestia's data availability nodes.

use std::sync::Arc;
use libp2p::{identity, multiaddr::Protocol, Multiaddr};
use lumina_node::blockstore::RedbBlockstore;
use lumina_node::network::{
    canonical_network_bootnodes, network_genesis, network_id, Network,
};
use lumina_node::node::{Node, NodeConfig};
use lumina_node::store::RedbStore;
use tokio::task::spawn_blocking;

#[tokio::main]
async fn main() {
    let p2p_local_keypair = identity::Keypair::generate_ed25519();
    let network = Network::Mainnet;
    let network_id = network_id(network).to_owned();
    let genesis_hash = network_genesis(network);
    let p2p_bootnodes = canonical_network_bootnodes(network).collect();

    let db = spawn_blocking(|| redb::Database::create("path/to/db"))
        .await
        .expect("Failed to join")
        .expect("Failed to open the database");
    let db = Arc::new(db);

    let store = RedbStore::new(db.clone())
        .await
        .expect("Failed to create a store");
    let blockstore = RedbBlockstore::new(db);

    let node = Node::new(NodeConfig {
        network_id,
        genesis_hash,
        p2p_local_keypair,
        p2p_bootnodes,
        p2p_listen_on: vec!["/ip4/0.0.0.0/tcp/0".parse().unwrap()],
        blockstore,
        store,
    })
    .await
    .expect("Failed to start node");

    node.wait_connected().await.expect("Failed to connect");

    let header = node
        .request_header_by_height(15)
        .await
        .expect("Height not found");
}

Dependencies

~25–65MB
~1M SLoC