add --list-daemon-ids global config opt

mmgen/help/__init__.py

@@ -33,6 +33,15 @@ def version(cfg):
 	""", indent='  ').rstrip())
 	sys.exit(0)
 
+def list_daemon_ids(cfg):
+	from ..daemon import CoinDaemon
+	from ..util import msg, fmt_list
+	msg('  {} {}'.format('Coin', 'Daemon IDs'))
+	msg('  {} {}'.format('----', '----------'))
+	for k, v in CoinDaemon.coins.items():
+		msg('  {}  {}'.format(k, fmt_list(v.daemon_ids, fmt='barest')))
+	sys.exit(0)
+
 def show_hash_presets(cfg):
 	fs = '      {:<6} {:<3} {:<2} {}'
 	from ..util import msg

mmgen/opts.py

@@ -293,7 +293,7 @@ class Opts:
 class UserOpts(Opts):
 
 	help_pkg = 'mmgen.help'
-	info_funcs = ('version', 'show_hash_presets')
+	info_funcs = ('version', 'show_hash_presets', 'list_daemon_ids')
 
 	global_opts_data = {
 		#  coin code : cmd code : opt : opt param : text
@@ -313,6 +313,7 @@ class UserOpts(Opts):
 			rr --daemon-data-dir=path Specify coin daemon data directory location
 			Rr --daemon-id=ID         Specify the coin daemon ID
 			rr --ignore-daemon-version Ignore coin daemon version check
+			Rr --list-daemon-ids      List all available daemon IDs
 			rr --http-timeout=t       Set HTTP timeout in seconds for JSON-RPC connections
 			-- --no-license           Suppress the GPL license prompt
 			Rr --rpc-host=HOST        Communicate with coin daemon running on host HOST