You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.8 KiB
77 lines
2.8 KiB
# Copyright (c) 2016, Neil Booth
|
|
#
|
|
# All rights reserved.
|
|
#
|
|
# See the file "LICENCE" for information about the copyright
|
|
# and warranty status of this software.
|
|
|
|
'''Class for handling environment configuration and defaults.'''
|
|
|
|
|
|
from os import environ
|
|
|
|
from lib.coins import Coin
|
|
from lib.util import LoggedClass
|
|
|
|
|
|
class Env(LoggedClass):
|
|
'''Wraps environment configuration.'''
|
|
|
|
class Error(Exception):
|
|
pass
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
coin_name = self.default('COIN', 'Bitcoin')
|
|
network = self.default('NETWORK', 'mainnet')
|
|
self.coin = Coin.lookup_coin_class(coin_name, network)
|
|
self.db_dir = self.required('DB_DIRECTORY')
|
|
self.utxo_MB = self.integer('UTXO_MB', 1000)
|
|
self.hist_MB = self.integer('HIST_MB', 250)
|
|
self.host = self.default('HOST', 'localhost')
|
|
self.reorg_limit = self.integer('REORG_LIMIT', 200)
|
|
self.daemon_url = self.build_daemon_url()
|
|
# Server stuff
|
|
self.tcp_port = self.integer('TCP_PORT', None)
|
|
self.ssl_port = self.integer('SSL_PORT', None)
|
|
if self.ssl_port:
|
|
self.ssl_certfile = self.required('SSL_CERTFILE')
|
|
self.ssl_keyfile = self.required('SSL_KEYFILE')
|
|
self.rpc_port = self.integer('RPC_PORT', 8000)
|
|
self.max_subscriptions = self.integer('MAX_SUBSCRIPTIONS', 10000)
|
|
self.banner_file = self.default('BANNER_FILE', None)
|
|
# The electrum client takes the empty string as unspecified
|
|
self.donation_address = self.default('DONATION_ADDRESS', '')
|
|
self.db_engine = self.default('DB_ENGINE', 'leveldb')
|
|
self.debug = self.default('DEBUG', '')
|
|
self.debug = [item.lower() for item in self.debug.split()]
|
|
|
|
def default(self, envvar, default):
|
|
return environ.get(envvar, default)
|
|
|
|
def required(self, envvar):
|
|
value = environ.get(envvar)
|
|
if value is None:
|
|
raise self.Error('required envvar {} not set'.format(envvar))
|
|
return value
|
|
|
|
def integer(self, envvar, default):
|
|
value = environ.get(envvar)
|
|
if value is None:
|
|
return default
|
|
try:
|
|
return int(value)
|
|
except:
|
|
raise self.Error('cannot convert envvar {} value {} to an integer'
|
|
.format(envvar, value))
|
|
|
|
def build_daemon_url(self):
|
|
daemon_url = environ.get('DAEMON_URL')
|
|
if not daemon_url:
|
|
username = self.required('DAEMON_USERNAME')
|
|
password = self.required('DAEMON_PASSWORD')
|
|
host = self.required('DAEMON_HOST')
|
|
port = self.default('DAEMON_PORT', self.coin.DEFAULT_RPC_PORT)
|
|
daemon_url = ('http://{}:{}@{}:{}/'
|
|
.format(username, password, host, port))
|
|
return daemon_url
|
|
|