Faheelsattar/add gen bls flag (#328)

## 📝 Summary

Adds `gen-bls` flag to rbuilder for generating BLS address
Closes #307

## ✅ I have completed the following steps:

* [x] Run `make lint`
* [x] Run `make test`
* [x] Added tests (if applicable)

crates/rbuilder/src/live_builder/cli.rs

@@ -16,7 +16,7 @@ use crate::{
         base_config::load_config_toml_and_env, payload_events::MevBoostSlotDataGenerator,
     },
     telemetry,
-    utils::build_info::Version,
+    utils::{bls::generate_random_bls_address, build_info::Version},
 };
 
 use super::{base_config::BaseConfig, LiveBuilder};
@@ -34,6 +34,8 @@ enum Cli {
         about = "Run system performance benchmarks (CPU, disk, memory)"
     )]
     SysPerf,
+    #[clap(name = "gen-bls", about = "Generate a BLS signature")]
+    GenBls,
 }
 
 #[derive(Parser, Debug)]
@@ -106,6 +108,11 @@ where
             println!("{}", format_results(&result, &sysinfo));
             return Ok(());
         }
+        Cli::GenBls => {
+            let address = generate_random_bls_address();
+            println!("0x{}", address);
+            return Ok(());
+        }
     };
 
     let config: ConfigType = load_config_toml_and_env(cli.config)?;

crates/rbuilder/src/utils/bls.rs

@@ -0,0 +1,22 @@
+use ethereum_consensus::crypto::SecretKey;
+use rand;
+use revm_primitives::hex;
+
+pub fn generate_random_bls_address() -> String {
+    let mut rng = rand::thread_rng();
+    let sk = SecretKey::random(&mut rng).unwrap();
+    let pk = sk.public_key();
+    let raw_bytes = pk.as_ref();
+    hex::encode(raw_bytes)
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::utils::bls::generate_random_bls_address;
+
+    #[test]
+    fn test_generate_random_bls_address() {
+        let bls_address = generate_random_bls_address();
+        assert_eq!(bls_address.len(), 96, "BLS address should be of 96 length");
+    }
+}

crates/rbuilder/src/utils/mod.rs

@@ -1,4 +1,5 @@
 //! a2r prefix = alloy to reth conversion
+pub mod bls;
 pub mod build_info;
 pub mod constants;
 pub mod error_storage;