fix: more concise error message for Boltz on simnet (#694)

* fix: more concise error message for Boltz on simnet

* fix: make deposit command non case sensitive

Author: michael1011

images/boltz/wrapper.sh

@@ -2,7 +2,9 @@
 
 CHAIN=$1
 
-case "$CHAIN" in
+# Use "${<variable>,,}" to convert the CHAIN variable to lower case
+# Reference: https://stackoverflow.com/a/2264537 
+case "${CHAIN,,}" in
     "btc")
         PORT="9002"
         ;;

images/utils/launcher/__init__.py

@@ -193,7 +193,12 @@ def handle_command(self, cmd):
                 print(HELP)
             else:
                 self.delegate_cmd_to_xucli(cmd)
+
         except NodeNotFound as e:
+            if str(e) == "boltz" and self.config.network == "simnet":
+                print("Not available on simnet")
+                return
+
             print(f"Node not found: {e}")
         except ArgumentError as e:
             print(e.usage)