price/market fix for custom nodes

add missing `blockchain_instance` parameters to `super()` calls in
`Price` and `Market`.

beem/market.py

@@ -76,22 +76,25 @@ class Market(dict):
             if kwargs.get("steem_instance"):
                 blockchain_instance = kwargs["steem_instance"]
             elif kwargs.get("hive_instance"):
-                blockchain_instance = kwargs["hive_instance"]        
+                blockchain_instance = kwargs["hive_instance"]
         self.blockchain = blockchain_instance or shared_blockchain_instance()
 
         if quote is None and isinstance(base, str):
             quote_symbol, base_symbol = assets_from_string(base)
             quote = Asset(quote_symbol, blockchain_instance=self.blockchain)
             base = Asset(base_symbol, blockchain_instance=self.blockchain)
-            super(Market, self).__init__({"base": base, "quote": quote})
+            super(Market, self).__init__({"base": base, "quote": quote},
+                                         blockchain_instance=self.blockchain)
         elif base and quote:
             quote = Asset(quote, blockchain_instance=self.blockchain)
             base = Asset(base, blockchain_instance=self.blockchain)
-            super(Market, self).__init__({"base": base, "quote": quote})
+            super(Market, self).__init__({"base": base, "quote": quote},
+                                         blockchain_instance=self.blockchain)
         elif base is None and quote is None:
             quote = Asset(self.blockchain.backed_token_symbol, blockchain_instance=self.blockchain)
             base = Asset(self.blockchain.token_symbol, blockchain_instance=self.blockchain)
-            super(Market, self).__init__({"base": base, "quote": quote})
+            super(Market, self).__init__({"base": base, "quote": quote},
+                                         blockchain_instance=self.blockchain)
         else:
             raise ValueError("Unknown Market config")
 
@@ -775,7 +778,7 @@ class Market(dict):
                     data = r.json()["bitcoin"]
                     prices['coingecko'] = {
                         'price': float(data['usd']),
-                        'volume': float(data['usd_24h_vol'])}                       
+                        'volume': float(data['usd_24h_vol'])}
             except KeyError as e:
                 log.info(str(e))
 
@@ -843,7 +846,7 @@ class Market(dict):
                     data = r.json()["steem"]
                     prices['coingecko'] = {
                         'price': float(data['btc']),
-                        'volume': float(data['btc_24h_vol'])}                     
+                        'volume': float(data['btc_24h_vol'])}
             except KeyError as e:
                 log.info(str(e))
 
@@ -914,7 +917,7 @@ class Market(dict):
                     data = r.json()["hive"]
                     prices['coingecko'] = {
                         'price': float(data['btc']),
-                        'volume': float(data['btc_24h_vol'])}                    
+                        'volume': float(data['btc_24h_vol'])}
             except KeyError as e:
                 log.info(str(e))
 
@@ -928,4 +931,3 @@ class Market(dict):
     def hive_usd_implied(self):
         """Returns the current HIVE/USD market price"""
         return self.hive_btc_ticker() * self.btc_usd_ticker()
-

beem/price.py

@@ -455,7 +455,8 @@ class Order(Price):
             isinstance(base, dict) and
             "sell_price" in base
         ):
-            super(Order, self).__init__(base["sell_price"])
+            super(Order, self).__init__(base["sell_price"],
+                                        blockchain_instance=self.blockchain)
             self["id"] = base.get("id")
         elif (
             isinstance(base, dict) and
@@ -465,10 +466,12 @@ class Order(Price):
             super(Order, self).__init__(
                 Amount(base["min_to_receive"], blockchain_instance=self.blockchain),
                 Amount(base["amount_to_sell"], blockchain_instance=self.blockchain),
+                blockchain_instance=self.blockchain
             )
             self["id"] = base.get("id")
         elif isinstance(base, Amount) and isinstance(quote, Amount):
-            super(Order, self).__init__(None, base=base, quote=quote)
+            super(Order, self).__init__(None, base=base, quote=quote,
+                                        blockchain_instance=self.blockchain)
         else:
             raise ValueError("Unknown format to load Order")
 
@@ -513,6 +516,7 @@ class FilledOrder(Price):
             super(FilledOrder, self).__init__(
                 Amount(order["open_pays"], blockchain_instance=self.blockchain),
                 Amount(order["current_pays"], blockchain_instance=self.blockchain),
+                blockchain_instance=self.blockchain
             )
             if "date" in order:
                 self["date"] = formatTimeString(order["date"])