from datetime import datetime
from typing import List, Dict

def filter_accounts_current_month(accounts: List[Dict[str, int]]) -> List[Dict[str, int]]:
    """Filter accounts whose expiry date falls within the current month.

    Args:
        accounts (List[Dict[str, int]]): A list of account dictionaries, each containing 
            an 'expiaryDate' key with an epoch timestamp as its value.

    Returns:
        List[Dict[str, int]]: A list of accounts expiring in the current month.
    """
    # Get the start of the current month
    now = datetime.now()
    start_of_month = datetime(now.year, now.month, 1)

    # Determine the start of the next month
    if now.month == 12:
        # If the current month is December, next month is January of the next year
        start_of_next_month = datetime(now.year + 1, 1, 1)
    else:
        # Otherwise, the next month is the following month of the same year
        start_of_next_month = datetime(now.year, now.month + 1, 1)

    # Convert start and end of the month to epoch timestamps
    start_of_month_timestamp = int(start_of_month.timestamp())
    start_of_next_month_timestamp = int(start_of_next_month.timestamp())

    # Filter accounts with expiryDate in the current month
    accounts_in_current_month = [
        account for account in accounts
        if start_of_month_timestamp <= account['expiaryDate'] < start_of_next_month_timestamp
    ]

    return accounts_in_current_month

def filter_accounts_expired(accounts: List[Dict[str, int]]) -> List[Dict[str, int]]:
    """Filter accounts whose expiry date has passed.

    Args:
        accounts (List[Dict[str, int]]): A list of account dictionaries, each containing 
            an 'expiaryDate' key with an epoch timestamp as its value.

    Returns:
        List[Dict[str, int]]: A list of accounts that have expired.
    """
    # Get the current epoch timestamp
    current_timestamp = int(datetime.now().timestamp())

    # Filter accounts where the current date is greater than the expiryDate
    expired_accounts = [
        account for account in accounts
        if account['expiaryDate'] < current_timestamp
    ]

    return expired_accounts