Add submit cancel all funding offer

Thanks to @charlychiu (https://github.com/bitfinexcom/bitfinex-api-py/pull/169)

CHANGELOG

@@ -1,3 +1,7 @@
+1.3.4
+-) Fixed undefined p_sub issue in subscription_manager.py
+-) Added submit cancel all funding orders endpoint (REST)
+
 1.3.3
 -) Fixed socket.send() issue (IndexError: deque index out of range)
 

bfxapi/rest/bfx_rest.py

@@ -636,6 +636,17 @@ class BfxRest:
         raw_notification = await self.post(endpoint, {'id': fundingId})
         return Notification.from_raw_notification(raw_notification)
 
+    async def submit_cancel_all_funding_offer(self, currency):
+        """
+        Cancel all funding offers at once
+
+        # Attributes
+        @param currency str: currency for which to cancel all offers (USD, BTC, UST ...)
+        """
+        endpoint = "auth/w/funding/offer/cancel/all"
+        raw_notification = await self.post(endpoint, {'currency': currency})
+        return Notification.from_raw_notification(raw_notification)
+
     async def keep_funding(self, type, id):
         """
         Toggle to keep funding taken. Specify loan for unused funding and credit for used funding.

bfxapi/version.py

@@ -2,4 +2,4 @@
 This module contains the current version of the bfxapi lib
 """
 
-__version__ = '1.3.3'
+__version__ = '1.3.4'