Added Bitstamp API

1 files changed, 41 insertions, 0 deletions

diff --git a/cfetch/plugins/bitstamp.py b/cfetch/plugins/bitstamp.py
new file mode 100644
index 0000000..f82b3f3
--- /dev/null
+++ b/cfetch/plugins/bitstamp.py
@@ -0,0 +1,41 @@
+##
+##  coinfetch-api-bitstamp - Bitstamp API plugin for coinfetch
+##  Copyright (C) 2015 Delwink, LLC
+##
+##  This program is free software: you can redistribute it and/or modify
+##  it under the terms of the GNU Affero General Public License as published by
+##  the Free Software Foundation, version 3 only.
+##
+##  This program is distributed in the hope that it will be useful,
+##  but WITHOUT ANY WARRANTY; without even the implied warranty of
+##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##  GNU Affero General Public License for more details.
+##
+##  You should have received a copy of the GNU Affero General Public License
+##  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+##
+
+from cfetch import register_ticker, Ticker
+from requests import get
+
+class BitstampTicker(Ticker):
+    def __init__(self, path, kind='vwap'):
+        super().__init__(path, kind)
+
+    def get_pair_data(self, response, pair):
+        return response.json()
+
+    def get_rate(self, a, b, amt=1):
+        if a == 'btc' and b == 'usd':
+            r = get(self.path)
+            res = self.get_pair_data(r, (a, b))
+            return float(res[self.kind]) * amt
+        elif a == 'usd' and b == 'btc':
+            r = get(self.path)
+            res = self.get_pair_data(r, (a, b))
+            return (float(res[self.kind]) ** -1) * amt
+        else:
+            raise ValueError('{}/{}'.format(a, b))
+
+register_ticker('bs', 'The Bitstamp ticker',
+                BitstampTicker('https://www.bitstamp.net/api/ticker/'))