From d8075dae281b7600581eebaa521e5608264e7cac Mon Sep 17 00:00:00 2001
From: Aditya Kulkarni <adityapk@gmail.com>
Date: Tue, 22 Oct 2019 12:56:29 -0700
Subject: [PATCH] Add proper error for lock

---
 lib/src/commands.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/src/commands.rs b/lib/src/commands.rs
index e0e4c72..eb0f270 100644
--- a/lib/src/commands.rs
+++ b/lib/src/commands.rs
@@ -356,7 +356,11 @@ impl Command for LockCommand {
 
     fn exec(&self, args: &[&str], lightclient: &LightClient) -> String {
         if args.len() != 0 {
-            return self.help();
+            let mut h = vec![];
+            h.push("Extra arguments to lock. Did you mean 'encrypt'?");
+            h.push("");
+            
+            return format!("{}\n{}", h.join("\n"), self.help());
         }
 
         match lightclient.wallet.write().unwrap().lock() {