Crate lumina_node

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");
}

Modules

• blockstore
  Blockstore types aliases with lumina specific constants.
• daser
  Component responsible for data availability sampling of the already synchronized block headers announced on the Celestia network.
• network
  Primitives and constants related to the networks supported by Celestia nodes.
• node
  High-level integration of P2p, Store, Syncer.
• p2p
  Component responsible for the messaging and interacting with other nodes on the peer to peer layer.
• peer_tracker
  Primitives related to tracking the state of peers in the network.
• store
  Primitives related to the ExtendedHeader storage.
• syncer
  Component responsible for synchronizing block headers announced in the Celestia network.
• test_utilstest-utils
  Utilities for writing tests.