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Rename client and server files
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@jf-forage
jf-forage committed Feb 28, 2023
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2 comments on commit 24707a7

@Samarth-3910
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################################################################################

Permission is hereby granted, free of charge, to any person obtaining a

copy of this software and associated documentation files (the "Software"),

to deal in the Software without restriction, including without limitation

the rights to use, copy, modify, merge, publish, distribute, sublicense,

and/or sell copies of the Software, and to permit persons to whom the

Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

DEALINGS IN THE SOFTWARE.

import json
import random
import urllib.request

Server API URLs

QUERY = "http://localhost:8080/query?id={}"

500 server request

N = 500

def getDataPoint(quote):
""" Produce all the needed values to generate a datapoint """
""" ------------- Update this function ------------- """
stock = quote['stock']
bid_price = float(quote['top_bid']['price'])
ask_price = float(quote['top_ask']['price'])
price = (bid_price+ask_price) / 2
return stock, bid_price, ask_price, price

def getRatio(price_a, price_b):
""" Get ratio of price_a and price_b """
""" ------------- Update this function ------------- """
if (price_b == 0):
return
return price_a/price_b

Main

if name == "main":
# Query the price once every N seconds.
for _ in iter(range(N)):
quotes = json.loads(urllib.request.urlopen(QUERY.format(random.random())).read())

    """ ----------- Update to get the ratio --------------- """
    prices = {}
    for quote in quotes:
        stock, bid_price, ask_price, price = getDataPoint(quote)
        prices[stock] = price
        print("Quoted %s at (bid:%s, ask:%s, price:%s)" % (stock, bid_price, ask_price, price))

    print("Ratio %s" % getRatio(price["ABC"], price["DEF"]))

@Samarth-3910
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import unittest
from client3 import getDataPoint

class ClientTest(unittest.TestCase):

def test_getDataPoint_calculatePrice(self):
    quotes = [
        {'top_ask': {'price': 121.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
        {'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}
    ]
    for quote in quotes:
        expected = (
            quote['stock'],
            quote['top_bid']['price'],
            quote['top_ask']['price'],
            (quote['top_bid']['price'] + quote['top_ask']['price']) / 2
        )
        self.assertEqual(getDataPoint(quote), expected)

def test_getDataPoint_calculatePriceBidGreaterThanAsk(self):
    quotes = [
        {'top_ask': {'price': 119.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
        {'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453', 'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}
    ]
    for quote in quotes:
        expected = (
            quote['stock'],
            quote['top_bid']['price'],
            quote['top_ask']['price'],
            (quote['top_bid']['price'] + quote['top_ask']['price']) / 2
        )
        self.assertEqual(getDataPoint(quote), expected)

# Additional unit tests can be added here

if name == 'main':
unittest.main()

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