def quitMenu():
dramatic_typing("Do you want to try again? Y/N ")
answer = input("").upper()
if answer == 'Y':
main()
else:
exit()
def main():
welcome()
coins = fetch_coins()
currency, quantity = input_buy()
try:
price = coins[currency]['price']
except Exception as e:
dramatic_typing("Invalid currency entered, please try again \n")
input_buy()
run_simulation(coins[currency]['price'], quantity, currency)
quitMenu()
def run_simulation(bought_price, quantity, currency):
value_then = bought_price * quantity
best_price, timestamp = fetch_best_bid(currency)
best_value = best_price * quantity
price_difference = (best_value - value_then)/float(value_then) * 100
time = datetime.datetime.fromtimestamp(timestamp).strftime('%A, %B %-d, %Y %I:%M %p')
print("The best bid price for {} was ${} at {} \n".format(currency, best_price, time))
if price_difference > 0:
dramatic_typing("Your total asset value is ${}, it has increased by {}% \n".format(round(best_value, 4), round(price_difference, 2)))
else:
dramatic_typing("Your total asset value is ${}, it has decreased by {} \n".format(round(best_value, 4), round(price_difference, 2)))
def welcome():
print("\n")
dramatic_typing("Simple Crypto Trading Simulator \n")
dramatic_typing(
"Hey Yo, you are back in time. It's Wednesday, March 7, 2018 7:39 AM \n"
)
dramatic_typing("Here are the crypto currencies you can invest. \n")
dramatic_typing("Fetching prices ... \n")
def fetch_coins():
connection = sqlite3.connect('./currency_monitor.db')
cursor = connection.cursor()
query = "SELECT first_leg, ask FROM prices WHERE timestamp='1520408341.52' AND second_leg='USD';"
cursor.execute(query)
coin_ask_prices = cursor.fetchall()
coins = {}
for coin_ask_price in coin_ask_prices:
if coin_ask_price[0] in coins:
continue
coins[coin_ask_price[0]] = {
"price": coin_ask_price[1],
"curreny": coin_ask_price[0]
}
dramatic_typing("{} - ${} \n".format(coin_ask_price[0],
round(coin_ask_price[1], 4)))
return coins
def input_buy():
dramatic_typing("Select the crypto currency you want to buy? \n")
currency = input("").upper()
dramatic_typing("That's great. How much quantity you want to buy? \n")
quantity = float(input(""))
return currency, quantity