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https://github.com/aljazceru/python-teos.git
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98 lines
3.3 KiB
Python
98 lines
3.3 KiB
Python
import re
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from common.tools import is_compressed_pk, is_locator, is_256b_hex_str
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from common.exceptions import InvalidParameter
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def parse_register_arguments(args, default_port):
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# Sanity checks
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if len(args) == 0:
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raise InvalidParameter("missing required parameter: tower_id")
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if len(args) > 3:
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raise InvalidParameter("too many parameters: got {}, expected 3".format(len(args)))
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tower_id = args[0]
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if not isinstance(tower_id, str):
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raise InvalidParameter("tower id must be a compressed public key (33-byte hex value) " + str(args))
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# tower_id is of the form tower_id@[ip][:][port]
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if "@" in tower_id:
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if len(args) == 1:
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tower_id, tower_endpoint = tower_id.split("@")
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if not tower_endpoint:
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raise InvalidParameter("no tower endpoint was provided")
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# Only host was specified
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if ":" not in tower_endpoint:
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tower_endpoint = "{}:{}".format(tower_endpoint, default_port)
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# Colons where specified but no port, defaulting
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elif tower_endpoint.endswith(":"):
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tower_endpoint = "{}{}".format(tower_endpoint, default_port)
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else:
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raise InvalidParameter("cannot specify host as both xxx@yyy and separate arguments")
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# host was specified, but no port, defaulting
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elif len(args) == 2:
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tower_endpoint = "{}:{}".format(args[1], default_port)
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# host and port specified
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elif len(args) == 3:
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tower_endpoint = "{}:{}".format(args[1], args[2])
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else:
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raise InvalidParameter("tower host is missing")
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if not is_compressed_pk(tower_id):
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raise InvalidParameter("tower id must be a compressed public key (33-byte hex value)")
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return tower_id, tower_endpoint
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def parse_get_appointment_arguments(args):
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# Sanity checks
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if len(args) == 0:
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raise InvalidParameter("missing required parameter: tower_id")
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if len(args) == 1:
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raise InvalidParameter("missing required parameter: locator")
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if len(args) > 2:
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raise InvalidParameter("too many parameters: got {}, expected 2".format(len(args)))
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tower_id = args[0]
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locator = args[1]
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if not is_compressed_pk(tower_id):
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raise InvalidParameter("tower id must be a compressed public key (33-byte hex value)")
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if not is_locator(locator):
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raise InvalidParameter("The provided locator is not valid", locator=locator)
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return tower_id, locator
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def parse_add_appointment_arguments(kwargs):
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# Arguments to add_appointment come from c-lightning and they have been sanitised. Checking this just in case.
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commitment_txid = kwargs.get("commitment_txid")
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penalty_tx = kwargs.get("penalty_tx")
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if commitment_txid is None:
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raise InvalidParameter("missing required parameter: commitment_txid")
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if penalty_tx is None:
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raise InvalidParameter("missing required parameter: penalty_tx")
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if not is_256b_hex_str(commitment_txid):
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raise InvalidParameter("commitment_txid has invalid format")
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# Checking the basic stuff for the penalty transaction for now
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if type(penalty_tx) is not str or re.search(r"^[0-9A-Fa-f]+$", penalty_tx) is None:
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raise InvalidParameter("penalty_tx has invalid format")
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return commitment_txid, penalty_tx
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