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Allow passing in --genesis-hash option to genesis binary #65

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Merged
cdrappi merged 2 commits into from
Nov 20, 2025
Merged

Allow passing in --genesis-hash option to genesis binary #65

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4908ed5
allow putting in genesis hasjh
cdrappi Nov 20, 2025
79f6539
Merge branch 'main' of github.com:SeismicSystems/summit into genesis-…
cdrappi Nov 20, 2025
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9 changes: 9 additions & 0 deletions node/src/bin/genesis.rs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
use alloy_primitives::FixedBytes;
use clap::Parser;
use serde::{Deserialize, Serialize};
use std::fs;
Expand Down Expand Up @@ -37,6 +38,9 @@ struct Args {
/// Filepath with IP addresses
#[arg(short = 'v', long)]
validators_path: String,
/// Genesis hash
#[arg(short = 'g', long)]
genesis_hash: Option<FixedBytes<32>>,
}

fn parse_validators(
Expand All @@ -61,6 +65,11 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
let node_count = validators.len() as u32;

let mut genesis_config = GenesisConfig::load(&args.genesis_in)?;
if let Some(genesis_hash) = args.genesis_hash {
let hash_str = genesis_hash.to_string();
println!("Overriding eth_genesis_hash to {hash_str}");
genesis_config.eth_genesis_hash = hash_str;
}
genesis_config.validators = validators;

// Write the updated genesis config
Expand Down