Update utils/fetch_forex_data.py

utils/fetch_forex_data.py

@@ -1,7 +1,22 @@
 def fetch_forex_data(pair, timeframe):
-    # Dummy data for testing
+    """
+    Fetch historical forex data for a given currency pair and timeframe.
+    This function generates dummy data for testing purposes.
+
+    Args:
+        pair (str): Currency pair (e.g., "EUR/USD").
+        timeframe (str): Timeframe for the data (e.g., "15m").
+
+    Returns:
+        pd.DataFrame: DataFrame containing Date and Close price.
+    """
     import pandas as pd
     import numpy as np
+
     dates = pd.date_range(start="2025-01-01", periods=100, freq="15T")
     prices = np.random.uniform(1.1, 1.2, len(dates))
-    return pd.DataFrame({"Date": dates, "Close": prices})
+
+    df = pd.DataFrame({"Date": dates, "Close": prices})
+    df.set_index("Date", inplace=True)
+    return df
+