cmdline: add listconfig/helpconfig

electrum/commands.py

@@ -358,6 +358,17 @@ class Commands:
             cv = self.config.cv.from_key(key)
             cv.set(value)
 
+    @command('')
+    async def listconfig(self):
+        """Returns the list of all configuration variables. """
+        return self.config.list_config_vars()
+
+    @command('')
+    async def helpconfig(self, key, more=False):
+        """Returns help about a configuration variable. """
+        cv = self.config.cv.from_key(key)
+        return cv.get_long_desc() if more else cv.get_short_desc()
+
     @command('')
     async def make_seed(self, nbits=None, language=None, seed_type=None):
         """Create a seed"""
@@ -1502,6 +1513,7 @@ command_options = {
     'from_ccy':    (None, "Currency to convert from"),
     'to_ccy':      (None, "Currency to convert to"),
     'public':      (None, 'Channel will be announced'),
+    'more':        (None, 'Return detailed description'),
 }
 
 

electrum/simple_config.py

@@ -242,6 +242,9 @@ class SimpleConfig(Logger):
         self.amt_precision_post_satoshi = self.BTC_AMOUNTS_PREC_POST_SAT
         self.amt_add_thousands_sep = self.BTC_AMOUNTS_ADD_THOUSANDS_SEP
 
+    def list_config_vars(self) -> Sequence[str]:
+        return list(sorted(_config_var_from_key.keys()))
+
     def electrum_path_root(self):
         # Read electrum_path from command line
         # Otherwise use the user's default data directory.