Clean errors

rust-lightclient/src/lightclient.rs

@@ -45,7 +45,7 @@ impl LightClient {
             // Make sure that if a wallet exists, there is no seed phrase being attempted
             if !seed_phrase.is_none() {
                 return Err(io::Error::new(io::ErrorKind::AlreadyExists,
-                    "Cannot restore from seed, because a wallet already exists"));
+                    "Cannot create a new wallet from seed, because a wallet already exists"));
             }
 
             let mut file_buffer = BufReader::new(File::open("wallet.dat")?);

rust-lightclient/src/main.rs

@@ -28,7 +28,13 @@ pub fn main() {
                         .takes_value(true))
                     .get_matches();
 
-    let mut lightclient = LightClient::new(matches.value_of("seed")).unwrap();
+    let mut lightclient = match LightClient::new(matches.value_of("seed")) {
+        Ok(lc) => lc,
+        Err(e) => { 
+            eprintln!("Failed to start wallet. Error was:\n{}", e);
+            return;
+        }
+    };
 
     println!("Starting Light Client");