From 2d3cebd0dc6a66ada9c248390431b6dae470eebc Mon Sep 17 00:00:00 2001
From: Jonathan LEI <me@xjonathan.dev>
Date: Sun, 16 Jul 2023 16:02:05 +0000
Subject: [PATCH] feat: better help when no signer option is found

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

diff --git a/src/signer.rs b/src/signer.rs
index 6ea36d5..ccf0621 100644
--- a/src/signer.rs
+++ b/src/signer.rs
@@ -94,7 +94,11 @@ impl SignerArgs {
             (Some(StringValue::FromEnvVar(keystore)), keystore_password, None) => {
                 Self::resolve_keystore(keystore, keystore_password)
             }
-            _ => Err(anyhow::anyhow!("no valid signer option provided")),
+            _ => Err(anyhow::anyhow!(
+                "no valid signer option provided. \
+                Consider using a keystore by providing a --keystore option.\
+                \n\nFor more information, see: https://book.starkli.rs/signers"
+            )),
         }
     }