added load_trading_limits to python

ccxt · May 31, 2018 · 4c8c6f2 · 4c8c6f2
1 parent 77d9d16
commit 4c8c6f2
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diff --git a/python/ccxt/async/base/exchange.py b/python/ccxt/async/base/exchange.py
@@ -217,3 +217,17 @@ async def edit_order(self, id, symbol, *args):
             self.raise_error(ExchangeError, details='updateOrder() requires enableRateLimit = true')
         await self.cancel_order(id, symbol)
         return await self.create_order(symbol, *args)
+
+    async def load_trading_limits(self, symbols=None, reload=False, params={}):
+        if self.has['fetchTradingLimits']:
+            if reload or not('limitsLoaded' in list(self.options.keys())):
+                response = await self.fetch_trading_limits(symbols)
+                limits = response['limits']
+                keys = list(limits.keys())
+                for i in range(0, len(keys)):
+                    symbol = keys[i]
+                    self.markets[symbol] = self.deep_extend(self.markets[symbol], {
+                        'limits': limits[symbol],
+                    })
+                self.options['limitsLoaded'] = self.milliseconds()
+        return self.markets
diff --git a/python/ccxt/base/exchange.py b/python/ccxt/base/exchange.py
@@ -171,6 +171,7 @@ class Exchange(object):
         'fetchTickers': False,
         'fetchTrades': True,
         'fetchTradingFees': False,
+        'fetchTradingLimits': False,
         'withdraw': False,
     }
 
@@ -1055,6 +1056,20 @@ def fetch_used_balance(self, params={}):
     def fetch_total_balance(self, params={}):
         return self.fetch_partial_balance('total', params)
 
+    def load_trading_limits(self, symbols=None, reload=False, params={}):
+        if self.has['fetchTradingLimits']:
+            if reload or not('limitsLoaded' in list(self.options.keys())):
+                response = self.fetch_trading_limits(symbols)
+                limits = response['limits']
+                keys = list(limits.keys())
+                for i in range(0, len(keys)):
+                    symbol = keys[i]
+                    self.markets[symbol] = self.deep_extend(self.markets[symbol], {
+                        'limits': limits[symbol],
+                    })
+                self.options['limitsLoaded'] = self.milliseconds()
+        return self.markets
+
     def fetch_ohlcv(self, symbol, timeframe='1m', since=None, limit=None, params={}):
         if not self.has['fetchTrades']:
             self.raise_error(NotSupported, details='fetch_ohlcv() not implemented yet')