cargo fix & fix heroledger

heromodels/examples/circle_launcher_example.rs

@@ -1,26 +1,26 @@
-use circles_launcher::{new_launcher};
-use heromodels::models::circle::circle::{new_circle};
-use secp256k1::{Secp256k1, SecretKey, PublicKey};
+use circles_launcher::new_launcher;
+use heromodels::models::circle::circle::new_circle;
 use rand::rngs::OsRng;
+use secp256k1::{PublicKey, Secp256k1, SecretKey};
 
 #[tokio::main]
-async fn main() -> Result<(), Box<dyn std::error::Error>> {    
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
     // Generate valid secp256k1 keypairs for testing
     let secp = Secp256k1::new();
     let mut rng = OsRng;
-    
+
     let secret_key1 = SecretKey::new(&mut rng);
     let public_key1 = PublicKey::from_secret_key(&secp, &secret_key1);
     let pk1_hex = hex::encode(public_key1.serialize());
-    
+
     let secret_key2 = SecretKey::new(&mut rng);
     let public_key2 = PublicKey::from_secret_key(&secp, &secret_key2);
     let pk2_hex = hex::encode(public_key2.serialize());
-    
+
     let secret_key3 = SecretKey::new(&mut rng);
     let public_key3 = PublicKey::from_secret_key(&secp, &secret_key3);
     let pk3_hex = hex::encode(public_key3.serialize());
-    
+
     println!("Generated test public keys:");
     println!("  PK1: {}", pk1_hex);
     println!("  PK2: {}", pk2_hex);
@@ -36,4 +36,4 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         .save();
 
     Ok(())
-}
+}