Files
nanoreth/bin/reth/src/chain/init.rs
2023-09-28 18:16:05 +00:00

66 lines
2.0 KiB
Rust

use crate::{
args::{utils::genesis_value_parser, DatabaseArgs},
dirs::{DataDirPath, MaybePlatformPath},
init::init_genesis,
};
use clap::Parser;
use reth_db::init_db;
use reth_primitives::ChainSpec;
use std::sync::Arc;
use tracing::info;
/// Initializes the database with the genesis block.
#[derive(Debug, Parser)]
pub struct InitCommand {
/// The path to the data dir for all reth files and subdirectories.
///
/// Defaults to the OS-specific data directory:
///
/// - Linux: `$XDG_DATA_HOME/reth/` or `$HOME/.local/share/reth/`
/// - Windows: `{FOLDERID_RoamingAppData}/reth/`
/// - macOS: `$HOME/Library/Application Support/reth/`
#[arg(long, value_name = "DATA_DIR", verbatim_doc_comment, default_value_t)]
datadir: MaybePlatformPath<DataDirPath>,
/// The chain this node is running.
///
/// Possible values are either a built-in chain or the path to a chain specification file.
///
/// Built-in chains:
/// - mainnet
/// - goerli
/// - sepolia
/// - holesky
#[arg(
long,
value_name = "CHAIN_OR_PATH",
verbatim_doc_comment,
default_value = "mainnet",
value_parser = genesis_value_parser
)]
chain: Arc<ChainSpec>,
#[clap(flatten)]
db: DatabaseArgs,
}
impl InitCommand {
/// Execute the `init` command
pub async fn execute(self) -> eyre::Result<()> {
info!(target: "reth::cli", "reth init starting");
// add network name to data dir
let data_dir = self.datadir.unwrap_or_chain_default(self.chain.chain);
let db_path = data_dir.db_path();
info!(target: "reth::cli", path = ?db_path, "Opening database");
let db = Arc::new(init_db(&db_path, self.db.log_level)?);
info!(target: "reth::cli", "Database opened");
info!(target: "reth::cli", "Writing genesis block");
let hash = init_genesis(db, self.chain)?;
info!(target: "reth::cli", hash = ?hash, "Genesis block written");
Ok(())
}
}