def quitMenu():
dramaticTyping("Do you want to try again? Y/N ")
answer = raw_input("").upper()
if answer == 'Y':
main()
else:
exit()
def main():
welcome()
coins = fetchCoins()
currency, quantity = inputBuy()
try:
price = coins[currency]['price']
except Exception as e:
dramaticTyping("Invalid currency entered, please try again \n")
inputBuy()
runSimulation(coins[currency]['price'], quantity, currency)
quitMenu()
def fetchCoins():
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)
coinAskPrices = cursor.fetchall()
coins = {}
for coinAskPrice in coinAskPrices:
if coinAskPrice[0] in coins:
continue
coins[coinAskPrice[0]] = {"price":coinAskPrice[1], "curreny":coinAskPrice[0]}
dramaticTyping("{} - ${} \n".format(coinAskPrice[0], round(coinAskPrice[1],4)))
return coins
def runSimulation(boughtPrice, quantity, currency):
valueThen = boughtPrice * quantity
bestPrice, timestamp = fetchBestBidPriceFromDB(currency)
bestValue = bestPrice * quantity
priceDifference = (bestValue - valueThen) / float(valueThen) * 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, bestPrice, time))
if priceDifference > 0:
dramaticTyping(
"Your total asset value is ${}, it has increase by {}% \n".format(
round(bestValue, 4), round(priceDifference, 2)))
else:
dramaticTyping(
"Your total asset value is ${}, it has decreased by {} \n".format(
round(bestValue, 4), round(priceDifference, 2)))
def inputBuy():
dramaticTyping("Select the crypto curreny you want to buy? \n")
curreny = raw_input("").upper()
dramaticTyping("That's great. How much quantity you want to buy? \n")
quantity = float(raw_input(""))
return curreny, quantity
def welcome():
print("\n")
dramaticTyping("Simple Crypto Trading Simulator \n")
dramaticTyping("Hey Yo, you are back in time. It's Wednesday, March 7, 2018 7:39 AM \n")
dramaticTyping("Here are the crypto currencies you can invest. \n")
dramaticTyping("Fetching prices ... \n")