hardcoded trampoline nodes: replace IPs with domain names

electrum/trampoline.py

@@ -54,8 +54,8 @@ TRAMPOLINE_FEES = [
 # hardcoded list
 # TODO for some pubkeys, there are multiple network addresses we could try
 TRAMPOLINE_NODES_MAINNET = {
-    'ACINQ': LNPeerAddr(host='34.239.230.56', port=9735, pubkey=bytes.fromhex('03864ef025fde8fb587d989186ce6a4a186895ee44a926bfc370e2c366597a3f8f')),
-    'Electrum trampoline': LNPeerAddr(host='144.76.99.209', port=9740, pubkey=bytes.fromhex('03ecef675be448b615e6176424070673ef8284e0fd19d8be062a6cb5b130a0a0d1')),
+    'ACINQ':               LNPeerAddr(host='node.acinq.co',          port=9735, pubkey=bytes.fromhex('03864ef025fde8fb587d989186ce6a4a186895ee44a926bfc370e2c366597a3f8f')),
+    'Electrum trampoline': LNPeerAddr(host='lightning.electrum.org', port=9740, pubkey=bytes.fromhex('03ecef675be448b615e6176424070673ef8284e0fd19d8be062a6cb5b130a0a0d1')),
 }
 TRAMPOLINE_NODES_TESTNET = {
     'endurance': LNPeerAddr(host='34.250.234.192', port=9735, pubkey=bytes.fromhex('03933884aaf1d6b108397e5efe5c86bcf2d8ca8d2f700eda99db9214fc2712b134')),