opts.py: add check for --daemon-id

mmgen/daemon.py

@@ -271,6 +271,10 @@ class CoinDaemon(Daemon):
 		'ETC': _cd('Ethereum Classic',  networks,              ['parity']),
 	}
 
+	@classmethod
+	def all_daemon_ids(cls):
+		return [i for coin in cls.coins for i in cls.coins[coin].daemon_ids]
+
 	@classmethod
 	def get_network_ids(cls): # FIXME: gets IDs for _default_ daemon only
 		from .protocol import CoinProtocol

mmgen/opts.py

@@ -578,6 +578,10 @@ def check_usr_opts(usr_opts): # Raises an exception if any check fails
 		from .util import ymsg
 		ymsg(f'Adjusting transaction vsize by a factor of {float(val):1.2f}')
 
+	def chk_daemon_id(key,val,desc):
+		from .daemon import CoinDaemon
+		opt_is_in_list(val,CoinDaemon.all_daemon_ids(),desc)
+
 # TODO: move this check elsewhere
 #	def chk_rbf(key,val,desc):
 #		if not proto.cap('rbf'):

test/include/coin_daemon_control.py

@@ -15,6 +15,7 @@ opts_data = {
 --, --longhelp       Print help message for long options (common options)
 -D, --debug          Produce debugging output (implies --verbose)
 -d, --datadir=       Override the default datadir
+-i, --daemon-ids     Print all known daemon IDs
 -n, --no-daemonize   Don't fork daemon to background
 -p, --port-shift=    Shift the RPC port by this number
 -s, --get-state      Get the state of the daemon(s) and exit
@@ -60,7 +61,9 @@ def run(network_id=None,proto=None,daemon_id=None):
 		else:
 			d.cmd(action,quiet=opt.quiet)
 
-if 'all' in cmd_args or 'no_xmr' in cmd_args:
+if opt.daemon_ids:
+	print('\n'.join(CoinDaemon.all_daemon_ids()))
+elif 'all' in cmd_args or 'no_xmr' in cmd_args:
 	if len(cmd_args) != 1:
 		die(1,"'all' or 'no_xmr' must be the sole argument")
 	from mmgen.protocol import init_proto