#!/usr/bin/python3
import json, time

# Load the JSON file
with open('sources.json', 'r') as f:
    data = json.load(f)

# Iterate over the exchanges
for exchange in data['exchanges']:
    # Print the name and URL of the exchange
    if exchange['name'] == "Kraken":
        current_time = int(time.time()) - 300
        exchange['url'] += f"&since={current_time}"
        print(exchange['name'], exchange['url'])
    else:
        print(exchange['name'], exchange['url'])