added confirmtions estimator, added bs4 to requirements

moneywagon/services.py

@@ -4,6 +4,9 @@
 from bitcoin import deserialize
 import arrow
 
+from bs4 import BeautifulSoup
+import re
+
 class Bitstamp(Service):
     service_id = 1
     supported_cryptos = ['btc']
@@ -2448,9 +2451,6 @@ class Bcoin(Service):
     service_id = 76
 
     def get_balance(self, crypto, address, confirmations=1):
-        from bs4 import BeautifulSoup
-        import re
-
         url = "https://bchain.info/%s/addr/%s" % (crypto.upper(), address)
         doc = BeautifulSoup(self.get_url(url).content, "html.parser")
         info_script_body = doc.find_all("script")[4].string

moneywagon/supply_estimator.py

@@ -150,6 +150,11 @@ def estimate_date_from_height(self, block_height):
 
         return self.genesis_date + datetime.timedelta(minutes=minutes)
 
+    def estimate_confirmations(self, confirmed_at_time):
+        confirmed_block = self.estimate_height_from_date(confirmed_at_time)
+        current_block = self.estimate_height_from_date(datetime.datetime.now())
+        return current_block - confirmed_block
+
     def calculate_supply(self, block_height=None, at_time=None):
         if at_time:
             block_height = self.estimate_height_from_date(at_time)

setup_template.py

@@ -35,6 +35,7 @@
         'base58',
         'pytz',
         'arrow',
-        'bitcoin'
+        'bitcoin',
+        'beautifulsoup4'
     ] + extra_install
 )