Will attempt to access API endpoints that require valid config on sta…

…rtup, informative error on fail

binance_trade_bot/binance_api_manager.py

@@ -23,6 +23,7 @@ def get_price(self, ticker_symbol):
 
 class BinanceAPIManager:
     def __init__(self, config: Config, db: Database, logger: Logger):
+        # initializing the client class calls `ping` API endpoint, verifying the connection
         self.binance_client = Client(
             config.BINANCE_API_KEY,
             config.BINANCE_API_SECRET_KEY,
@@ -63,6 +64,12 @@ def get_fee(self, origin_coin: Coin, target_coin: Coin, selling: bool):
             return base_fee * 0.75
         return base_fee
 
+    def get_account(self):
+        """
+        Get account information
+        """
+        return self.binance_client.get_account()
+
     def get_all_market_tickers(self) -> AllTickers:
         """
         Get ticker price of all coins

binance_trade_bot/crypto_trading.py

@@ -16,6 +16,13 @@ def main():
     config = Config()
     db = Database(logger, config)
     manager = BinanceAPIManager(config, db, logger)
+    # check if we can access API feature that require valid config
+    try:
+        _ = manager.get_account()
+    except Exception as e:  # pylint: disable=broad-except
+        logger.error("Couldn't access Binance API - API keys may be wrong or lack sufficient permissions")
+        logger.error(e)
+        return
     strategy = get_strategy(config.STRATEGY)
     if strategy is None:
         logger.error("Invalid strategy name")