Fix lnd host config (#52)

* Fix lnd host config to not lookup ip by host

* Fix external lnd host

docker/config.ini

@@ -3,6 +3,7 @@ network=testnet
 
 [lnd]
 host=lnd
+external_host=localhost
 port=9735
 rpc_port=10009
 tls_cert_path=/root/.lnd/tls.cert

itests/docker-compose.yml

@@ -61,9 +61,9 @@ services:
       - "btcd:blockchain"
     entrypoint: ["./start-lnd.sh"]
 
-  lnd_sqkserver:
+  lnd:
     image: lnd
-    container_name: lnd_sqkserver
+    container_name: lnd
     build:
       context: ../
       dockerfile: docker/lnd/Dockerfile
@@ -99,7 +99,7 @@ services:
       - lnd_dir_sqkserver:/root/.lnd
       - ./config.ini:/app/config.ini
     links:
-      - "lnd_sqkserver:lnd"
+      - "lnd:lnd"
     depends_on:
       - db
     sysctls:

squeakserver/server/main.py

@@ -38,12 +38,10 @@ def load_lightning_client(config) -> LNDLightningClient:
 def load_lightning_host_port(config) -> LNDLightningClient:
     if int(config['server']['price']) == 0:
         return None
-    lnd_ip_address = socket.gethostbyname(
-        config['lnd']['host'],
-    )
+    lnd_host = config['lnd']['external_host'] or config['lnd']['host']
     lnd_port = int(config['lnd']['port'])
     return LightningAddressHostPort(
-        lnd_ip_address,
+        lnd_host,
         lnd_port,
     )