general - Adds default RPC port based on network param

README.md

@@ -54,14 +54,13 @@ By default, `teos` runs on `mainnet`. In order to run it on another network you
 
 ### Modifying the configuration file
 
-The configuration file options to change the network where `teos` will run are the `btc_rpc_port` and the `btc_network` under the `bitcoind` section:
+The configuration file option to change the network where `teos` will run is `btc_network` under the `bitcoind` section:
 
 ```
 [bitcoind]
 btc_rpc_user = "user"
 btc_rpc_password = "passwd"
 btc_rpc_connect = "localhost"
-btc_rpc_port = 8332
 btc_network = "mainnet"
 ```
 
@@ -72,7 +71,6 @@ For regtest, it should look like:
 btc_rpc_user = "user"
 btc_rpc_password = "passwd"
 btc_rpc_connect = "localhost"
-btc_rpc_port = 18443
 btc_network = "regtest"
 ```
 

common/config_loader.py

@@ -31,6 +31,7 @@ class ConfigLoader:
         self.conf_file_path = os.path.join(self.data_dir, conf_file_name)
         self.conf_fields = default_conf
         self.command_line_conf = command_line_conf
+        self.overwritten_fields = set()
 
     def build_config(self):
         """
@@ -43,7 +44,6 @@ class ConfigLoader:
 
         Returns:
             :obj:`dict`: a dictionary containing all the configuration parameters.
-
         """
 
         if os.path.exists(self.conf_file_path):
@@ -65,9 +65,12 @@ class ConfigLoader:
                             else:
                                 self.conf_fields[k_upper]["value"] = v
 
+                            self.overwritten_fields.add(k_upper)
+
         # Override the command line parameters to the defaults / conf file
         for k, v in self.command_line_conf.items():
             self.conf_fields[k]["value"] = v
+            self.overwritten_fields.add(k)
 
         # Extend relative paths
         self.extend_paths()

common/constants.py

@@ -8,6 +8,11 @@ HTTP_BAD_REQUEST = 400
 HTTP_NOT_FOUND = 404
 HTTP_SERVICE_UNAVAILABLE = 503
 
+# Bitcoin
+MAINNET_RPC_PORT = 8332
+TESTNET_RPC_PORT = 18332
+REGTEST_RPC_PORT = 18443
+
 # LN general nomenclature
 IRREVOCABLY_RESOLVED = 100
 

teos/__init__.py

@@ -1,4 +1,5 @@
 import os
+from common.constants import MAINNET_RPC_PORT
 
 DATA_DIR = os.path.expanduser("~/.teos/")
 CONF_FILE_NAME = "teos.conf"
@@ -11,7 +12,7 @@ DEFAULT_CONF = {
     "BTC_RPC_USER": {"value": "user", "type": str},
     "BTC_RPC_PASSWORD": {"value": "passwd", "type": str},
     "BTC_RPC_CONNECT": {"value": "127.0.0.1", "type": str},
-    "BTC_RPC_PORT": {"value": 8332, "type": int},
+    "BTC_RPC_PORT": {"value": MAINNET_RPC_PORT, "type": int},
     "BTC_NETWORK": {"value": "mainnet", "type": str},
     "BTC_FEED_PROTOCOL": {"value": "tcp", "type": str},
     "BTC_FEED_CONNECT": {"value": "localhost", "type": str},

teos/teosd.py

@@ -20,8 +20,8 @@ from teos.gatekeeper import Gatekeeper
 from teos.chain_monitor import ChainMonitor
 from teos.block_processor import BlockProcessor
 from teos.appointments_dbm import AppointmentsDBM
-from teos.tools import can_connect_to_bitcoind, in_correct_network
 from teos import LOG_PREFIX, DATA_DIR, DEFAULT_CONF, CONF_FILE_NAME
+from teos.tools import can_connect_to_bitcoind, in_correct_network, get_default_rpc_port
 
 logger = Logger(actor="Daemon", log_name_prefix=LOG_PREFIX)
 
@@ -38,6 +38,7 @@ def handle_signals(signal_received, frame):
 def main(command_line_conf):
     global db_manager, chain_monitor
 
+    try:
         signal(SIGINT, handle_signals)
         signal(SIGTERM, handle_signals)
         signal(SIGQUIT, handle_signals)
@@ -46,6 +47,11 @@ def main(command_line_conf):
         data_dir = command_line_conf.pop("DATA_DIR") if "DATA_DIR" in command_line_conf else DATA_DIR
         config_loader = ConfigLoader(data_dir, CONF_FILE_NAME, DEFAULT_CONF, command_line_conf)
         config = config_loader.build_config()
+
+        # Set default RPC port if not overwritten by the user.
+        if "BTC_RPC_PORT" not in config_loader.overwritten_fields:
+            config["BTC_RPC_PORT"] = get_default_rpc_port(config.get("BTC_NETWORK"))
+
         setup_data_folder(data_dir)
         setup_logging(config.get("LOG_FILE"), LOG_PREFIX)
 
@@ -61,7 +67,6 @@ def main(command_line_conf):
             logger.error("bitcoind is running on a different network, check conf.py and bitcoin.conf. Shutting down")
 
         else:
-        try:
             secret_key_der = Cryptographer.load_key_file(config.get("TEOS_SECRET_KEY"))
             if not secret_key_der:
                 raise IOError("TEOS private key cannot be loaded")

teos/tools.py

@@ -3,11 +3,14 @@ from http.client import HTTPException
 
 from teos.utils.auth_proxy import AuthServiceProxy, JSONRPCException
 
+from common.constants import MAINNET_RPC_PORT, TESTNET_RPC_PORT, REGTEST_RPC_PORT
+
 """
 Tools is a module with general methods that can used by different entities in the codebase.
 """
 
 
+# NOTCOVERED
 def bitcoin_cli(btc_connect_params):
     """
     An ``http`` connection with ``bitcoind`` using the ``json-rpc`` interface.
@@ -82,3 +85,27 @@ def in_correct_network(btc_connect_params, network):
         correct_network = True
 
     return correct_network
+
+
+def get_default_rpc_port(network):
+    """
+    Returns the default RPC port given a network name.
+
+    Args:
+        network (:obj:`str`): the network name. Either ``mainnet``, ``testnet`` or ``regtest``.
+
+    Returns:
+        :obj:`int`: The default RPC port depending on the given network name.
+
+    Raises:
+        :obj:`ValueError`: If the network is not mainnet, testnet or regtest.
+    """
+
+    if network == "mainnet":
+        return MAINNET_RPC_PORT
+    elif network == "testnet":
+        return TESTNET_RPC_PORT
+    elif network == "regtest":
+        return REGTEST_RPC_PORT
+    else:
+        raise ValueError("Wrong Bitcoin network. Expected: mainnet, testnet or regtest. Received: {}".format(network))