add 'recḱless' option to allow using lightning on mainnet

electrum/commands.py

@@ -980,6 +980,7 @@ def add_global_options(parser):
     group.add_argument("--testnet", action="store_true", dest="testnet", default=False, help="Use Testnet")
     group.add_argument("--regtest", action="store_true", dest="regtest", default=False, help="Use Regtest")
     group.add_argument("--simnet", action="store_true", dest="simnet", default=False, help="Use Simnet")
+    group.add_argument("--reckless", action="store_true", dest="reckless", default=False, help="Play with real money")
 
 def get_parser():
     # create main parser

electrum/lnworker.py

@@ -34,9 +34,13 @@ NUM_PEERS_TARGET = 4
 PEER_RETRY_INTERVAL = 600  # seconds
 PEER_RETRY_INTERVAL_FOR_CHANNELS = 30  # seconds
 
-FALLBACK_NODE_LIST = (
+FALLBACK_NODE_LIST_TESTNET = (
     LNPeerAddr('ecdsa.net', 9735, bfh('038370f0e7a03eded3e1d41dc081084a87f0afa1c5b22090b4f3abb391eb15d8ff')),
 )
+FALLBACK_NODE_LIST_MAINNET = (
+    LNPeerAddr('104.198.32.198', 9735, bfh('02f6725f9c1c40333b67faea92fd211c183050f28df32cac3f9d69685fe9665432')), # Blockstream
+    LNPeerAddr('13.80.67.162', 9735, bfh('02c0ac82c33971de096d87ce5ed9b022c2de678f08002dc37fdb1b6886d12234b5')),   # Stampery
+)
 
 class LNWorker(PrintError):
 
@@ -398,7 +402,9 @@ class LNWorker(PrintError):
         # TODO remove this. For some reason the dns seeds seem to ignore the realm byte
         # and only return mainnet nodes. so for the time being dns seeding is disabled:
         if constants.net in (constants.BitcoinTestnet, ):
-            return [random.choice(FALLBACK_NODE_LIST)]
+            return [random.choice(FALLBACK_NODE_LIST_TESTNET)]
+        elif constants.net in (constants.BitcoinMainnet, ):
+            return [random.choice(FALLBACK_NODE_LIST_MAINNET)]
         else:
             return []
 

run_electrum

@@ -352,7 +352,7 @@ if __name__ == '__main__':
         constants.set_regtest()
     elif config.get('simnet'):
         constants.set_simnet()
-    else:
+    elif not config.get('reckless'):
         raise Exception('lightning branch not available on mainnet')
 
     if cmdname == 'gui':