Added newer api functionality

bitstamp/client.py

@@ -253,8 +253,8 @@ def account_balance(self, base="btc", quote="usd"):
         url = self._construct_url("balance/", base, quote)
         return self._post(url, return_json=True, version=2)
 
-    def user_transactions(self, offset=0, limit=100, descending=True,
-                          base=None, quote=None):
+    def user_transactions(self, offset=0, limit=1000, descending=True,
+                          base=None, quote=None, since_timestamp=None, since_id=None):
         """
         Returns descending list of transactions. Every transaction (dictionary)
         contains::
@@ -273,9 +273,32 @@ def user_transactions(self, offset=0, limit=100, descending=True,
             'limit': limit,
             'sort': 'desc' if descending else 'asc',
         }
+        if since_timestamp is not None:
+            data.update({'since_timestamp': since_timestamp})
+        if since_id is not None:
+            data.update({'since_id': since_id})
         url = self._construct_url("user_transactions/", base, quote)
         return self._post(url, data=data, return_json=True, version=2)
 
+    def crypto_transactions(self, offset=0, limit=1000):
+        """
+        Returns list of crypto transactions. Every transaction (dictionary)
+        contains::
+            {u'currency' : u'LTC'
+             u'destinationAddress':	u'Destination Address'
+             u'txid':	u'Transaction Hash'
+             u'amount'	u'1.0'
+             u'datetime': int(timestamp)}
+
+        Instead of the keys btc and usd, it can contain other currency codes
+        """
+        data = {
+            'offset': offset,
+            'limit': limit,
+        }
+        url = "crypto-transactions/"
+        return self._post(url, data=data, return_json=True, version=2)
+
     def open_orders(self, base="btc", quote="usd"):
         """
         Returns JSON list of open orders. Each order is represented as a