Daily Python: codingdirectional: Find the Bitcoin exchange rate for a few more currencies

Hello and welcome back to this latest cryptocurrency application project, before we proceed to more complicated user interface design for our new cryptocurrency application I would like to retrieve market data from Coinbase for a few more BTC/World Currency pairs with our new application. We have set up all parts that need for retrieving the market data from Coinbase in the last chapter and in this chapter we will try to retrieve those market data again for different currency/btc pairs.

First of all, we will try to retrieve market data for btc/euro pairs with this statement: “BTC-EUR” and this is what we will get.

BTC/EURO

Next, we will try to retrieve market data for btc/pound pairs with this statement: “BTC- GBP” and this is what we will get.

BTC/GBP

Here is the entire program again.

from coinbase.wallet.client import Client
import json
from tkinter import *
from tkinter import filedialog
import tkinter.ttk as tk
from tkinter import messagebox

win = Tk() # Create tk instance
win.title("Real CryptoGeek") # Add a title
win.resizable(0, 0) # Disable resizing the GUI
win.configure(background='white') # change background color

s = StringVar() # change text
currencyFrame = Frame(win) # create currency frame
currencyFrame.pack(side = TOP, fill=X)
currency = Label(currencyFrame, textvariable=s)
currency.pack()
s.set("Click the below button to find out the bitcoin exchange rate")

buttonFrame = Frame(win) # create a button frame
buttonFrame.pack(side = BOTTOM, fill=X, pady = 6)


def get_exchange_rate():

    f = open("coin.txt", "r")
    api_key = f.readline()
    api_secret = f.readline()
    f.close()

    api_key = api_key.replace('\n', '')
    api_secret = api_secret.replace('\n', '')

    try:
        client = Client(api_key, api_secret)
        market_currencies_o = client.get_sell_price(currency_pair='BTC-GBP')
        market_currencies_s = json.dumps(market_currencies_o)
        exchange = json.loads(market_currencies_s)

        coin_type = exchange['base']
        currency_type = exchange['currency']
        currency_sell_price = exchange['amount']

        market_currencies_o = client.get_buy_price(currency_pair='BTC-GBP')
        market_currencies_s = json.dumps(market_currencies_o)
        exchange = json.loads(market_currencies_s)
        currency_buy_price = exchange['amount']

        market_currencies_o = client.get_spot_price(currency_pair='BTC-GBP')
        market_currencies_s = json.dumps(market_currencies_o)
        exchange = json.loads(market_currencies_s)
        currency_spot_price = exchange['amount']

    except:
        print("An exception occurred")

    sell_buy = " Pair : " + coin_type + "/" + currency_type + " Sell : " + currency_sell_price + " Buy : " + currency_buy_price + " Spot : " + currency_spot_price
    s.set(sell_buy)

action_vid = tk.Button(buttonFrame, text="Find", command=get_exchange_rate) # find out the exchange rate of bitcoin
action_vid.pack(fill=X)

win.mainloop()

It seems like the BTC/USD exchange rate is up again today till 3,930.47 United States Dollar as compared to yesterday but before we all happy about this outcome we need to be very cautious because the USD exchange rate vs other major world currencies is slightly down again so we need to compare the exchange rate of BTC vs other major world currencies as well before we said that BTC is up again. In the next chapter we will retrieve the market data for bitcoin vs other cryptocurrencies and then we will improve the user interface of this application so it can display all the exchange rates at once.

Hello people, if you like to read about some other internet stuffs like social networking and online earning then come and read this latest article of mine: A Social Network for Photographer!

We are using the Coinbase API for the above project and if you have not yet signed up for a free account on Coinbase then you can sign up through this link.

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