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Add --data-dir CLI parameter for configuring storage path #248

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Merged
pablodeymo merged 4 commits into from
Mar 25, 2026
+7 −1
Merged

Add --data-dir CLI parameter for configuring storage path #248

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63ef54c
Add --data-dir CLI parameter for configuring RocksDB storage path
pablodeymo Mar 25, 2026
a4e2f4a
Fix formatting for RocksDBBackend::open call
pablodeymo Mar 25, 2026
620183b
Create parent directories before opening RocksDB and log the data path
pablodeymo Mar 25, 2026
c563d0f
Rename storage log message to "Initialized DB"
pablodeymo Mar 25, 2026
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8 changes: 7 additions & 1 deletion bin/ethlambda/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,9 @@ struct CliOptions {
/// Number of attestation committees (subnets) per slot
#[arg(long, default_value = "1", value_parser = clap::value_parser!(u64).range(1..))]
attestation_committee_count: u64,
/// Directory for RocksDB storage
#[arg(long, default_value = "./data")]
data_dir: PathBuf,
}

#[tokio::main]
Expand Down Expand Up @@ -130,7 +133,10 @@ async fn main() -> eyre::Result<()> {
let validator_keys =
read_validator_keys(&validators_path, &validator_keys_dir, &options.node_id);

let backend = Arc::new(RocksDBBackend::open("./data").expect("Failed to open RocksDB"));
std::fs::create_dir_all(&options.data_dir).expect("Failed to create data directory");
let backend =
Arc::new(RocksDBBackend::open(&options.data_dir).expect("Failed to open RocksDB"));
info!(data_dir = %options.data_dir.display(), "Initialized DB");

let store = fetch_initial_state(
options.checkpoint_sync_url.as_deref(),
Expand Down
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