New command to generate a sample config file

README.md

@@ -22,7 +22,7 @@ Currently supported exchanges to get data:
 Currently supported exchanges to automate trade:
 
 - Bitstamp (USD)
-- Paymium (EUR) - (API changed)
+- Paymium (EUR)
 
 ## WARNING
 

arbitrage/arbitrage.py

@@ -30,8 +30,10 @@ def exec_command(self, args):
             self.get_balance(args)
         if "list-public-markets" in args.command:
             self.list_markets()
+        if "generate-config" in args.command:
+            self.generate_sample_config()
 
-    def list_markets(self):
+    def get_market_list(self):
         markets = []
         for filename in glob.glob(os.path.join(public_markets.__path__[0], "*.py")):
             module_name = os.path.basename(filename).replace(".py", "")
@@ -42,10 +44,33 @@ def list_markets(self):
                     if inspect.isclass(obj) and "Market" in (j.__name__ for j in obj.mro()[1:]):
                         if not obj.__module__.split(".")[-1].startswith("_"):
                             markets.append(obj.__name__)
+        return markets
+
+    def list_markets(self):
+        markets = self.get_market_list()
         markets.sort()
         print("\n".join(markets))
         sys.exit(0)
 
+    def generate_sample_config(self):
+        markets = self.get_market_list()
+        markets.sort()
+        print("markets = [")
+        print('",\n'.join(['  "' + i for i in markets]) + '"')
+        print("]")
+        print('observers = ["Logger"]')
+        print("""
+refresh_rate = 60
+market_expiration_time = 120  # in seconds: 2 minutes
+
+# SafeGuards
+max_tx_volume = 1  # in BTC
+min_tx_volume = 0.01  # in BTC
+balance_margin = 0.05  # 5%
+profit_thresh = 0  # in USD
+perc_thresh = 0  # in %""")
+        sys.exit(0)
+
     def get_balance(self, args):
         if not args.markets:
             logging.error("You must use --markets argument to specify markets")

arbitrage/public_markets/_binance.py

@@ -13,12 +13,7 @@ def __init__(self, currency, code):
 
     def update_depth(self):
         url = "https://api.binance.com/api/v1/depth?symbol=%s" % self.code
-        req = urllib.request.Request(
-            url,
-            headers={
-                "Accept": "*/*",
-            },
-        )
+        req = urllib.request.Request(url, headers={"Accept": "*/*"})
         res = urllib.request.urlopen(req)
         depth = json.loads(res.read().decode("utf8"))
         self.depth = self.format_depth(depth)