L5

API/Api.py

@@ -0,0 +1,46 @@
+import requests
+from abc import ABC, abstractmethod
+
+
+def request(url):
+    headers = {'content-type': 'application/json'}
+    response = requests.request("GET", url, headers=headers)
+    if 199 < response.status_code < 300:
+        return response.json()
+    elif 300 < response.status_code < 399:
+        raise Exception('Redirection. Need additional action in order to complete request.')
+    elif 400 < response.status_code < 499:
+        raise Exception('Client error. Server cannot understand the request.')
+    elif 500 < response.status_code < 599:
+        raise Exception('Server error. Please contact with API providers.')
+    return None
+
+
+class Api(ABC):
+    def __init__(self, name, base_url):
+        self.__name = name
+        self.__base_url = base_url
+
+    @property
+    def name(self):
+        return self.__name
+
+    @property
+    def url(self):
+        return self.__base_url
+
+    @abstractmethod
+    def markets(self):
+        pass
+
+    @abstractmethod
+    def orderbook(self, first, second):
+        pass
+
+    @abstractmethod
+    def transfer_fee(self, currency):
+        pass
+
+    @abstractmethod
+    def taker_fee(self):
+        pass

API/Bitbay.py

@@ -0,0 +1,32 @@
+from API.Api import Api, request
+from API.const import transfer
+
+
+class Bitbay(Api):
+
+    def __init__(self):
+        super().__init__('bitbay', 'https://api.bitbay.net/rest/trading')
+        self.__fees = transfer
+
+    @property
+    def markets(self):
+        markets = request(f'{self.url}/ticker')
+        return list(markets['items'].keys())
+
+    def orderbook(self, first, second):
+        orderbook = request(f'{self.url}/orderbook/{first}-{second}')
+        asks = list(map(lambda x: {'rate': float(x['ra']), 'quantity': float(
+            x['ca'])}, orderbook['sell']))
+        bids = list(map(lambda x: {'rate': float(x['ra']), 'quantity': float(
+            x['ca'])}, orderbook['buy']))
+        return asks, bids
+
+    def transfer_fee(self, currency):
+        if currency in self.__fees:
+            return self.__fees[currency]
+        else:
+            raise ValueError(f'Unidentified currency symbol - {currency}')
+
+    @property
+    def taker_fee(self):
+        return 0.0042

API/Bittrex.py

@@ -0,0 +1,32 @@
+from API.Api import Api, request
+
+
+class Bittrex(Api):
+    def __init__(self):
+        super().__init__('bittrex', 'https://api.bittrex.com/v3')
+
+        fees = request(f'{self.url}/currencies')
+        self.__fees = {x['symbol']: float(x['txFee']) for x in fees}
+
+    @property
+    def markets(self):
+        markets = request(f'{self.url}/markets')
+        return list(map(lambda x: x['symbol'], markets))
+
+    def orderbook(self, first, second):
+        orderbook = request(f'{self.url}/markets/{first}-{second}/orderbook')
+        bids = list(map(lambda x: {'rate': float(x['rate']), 'quantity': float(
+            x['quantity'])}, orderbook['bid']))
+        asks = list(map(lambda x: {'rate': float(x['rate']), 'quantity': float(
+            x['quantity'])}, orderbook['ask']))
+        return asks, bids
+
+    def transfer_fee(self, currency):
+        if currency in self.__fees:
+            return self.__fees[currency]
+        else:
+            raise ValueError(f'Unidentified currency symbol - {currency}')
+
+    @property
+    def taker_fee(self):
+        return 0.0075

API/EOD.py

@@ -0,0 +1,28 @@
+from API import const
+from API.Api import Api, request
+from API.NBP import NBP
+
+
+class EOD(Api):
+    def __init__(self):
+        super().__init__("EOD", "https://eodhistoricaldata.com/api/real-time/")
+
+    def markets(self):
+        pass
+
+    def orderbook(self, first, second):
+        pass
+
+    def transfer_fee(self, currency):
+        pass
+
+    def taker_fee(self):
+        pass
+
+    def get_price(self, stock_name, base_currency):
+        json = request(f'{self.url}{stock_name}.WAR?api_token={const.EOD_TOKEN}&fmt=json')
+        if json['high'] == 'NA' or json['low'] == 'NA':
+            price = NBP().convert('PLN', json['previousClose'], base_currency)
+        else:
+            price = NBP().convert('PLN', (json['high'] + json['low']) / 2, base_currency)
+        return price

API/NBP.py

@@ -0,0 +1,31 @@
+from API.Api import request, Api
+
+
+class NBP(Api):
+    def __init__(self):
+        super().__init__('NBP', 'http://api.nbp.pl/api/exchangerates/rates/c/')
+
+    def markets(self):
+        pass
+
+    def orderbook(self, first, second):
+        pass
+
+    def transfer_fee(self, currency):
+        pass
+
+    def taker_fee(self):
+        pass
+
+    def convert(self, cur_from: str, quantity: float, cur_to: str):
+        if cur_from == cur_to:
+            return quantity
+        if cur_from == 'PLN':
+            json = request(f'{self.url}{cur_to}')
+            return round(quantity / float(json['rates'][0]['ask']), 2)
+        elif cur_to == 'PLN':
+            json = request(f'{self.url}' + f'{cur_from}')
+            return round(quantity * float(json['rates'][0]['bid']), 2)
+
+        conv_value = self.convert(cur_from, quantity, 'PLN')
+        return self.convert('PLN', conv_value, cur_to)

API/Yahoo.py

@@ -0,0 +1,30 @@
+import yfinance as yf
+
+from API.Api import Api
+from API.NBP import NBP
+
+
+class Yahoo(Api):
+    def markets(self):
+        pass
+
+    def orderbook(self, first, second):
+        pass
+
+    def transfer_fee(self, currency):
+        pass
+
+    def taker_fee(self):
+        pass
+
+    def __init__(self):
+        super().__init__('Yahoo', "")
+
+    @classmethod
+    def get_price(cls, stock_name, base_currency):
+        ticker = yf.Ticker(stock_name)
+        price = (ticker.info["dayLow"] + ticker.info["dayHigh"]) / 2
+        if ticker.info['currency'] == base_currency:
+            return price
+        else:
+            return NBP().convert(ticker.info['currency'], price, base_currency)

API/const.py

@@ -0,0 +1,8 @@
+transfer = {
+    'AAVE': 0.23, 'BAT': 29, 'BSV': 0.003, 'BTC': 0.0005, 'COMP': 0.025, 'DAI': 19, 'DOT': 0.1, 'EOS': 0.1, 'ETH': 0.01,
+    'EUR': 3, 'GAME': 279, 'GRT': 11, 'LINK': 1.85, 'LSK': 0.3, 'LTC': 0.001, 'LUNA': 0.02, 'MANA': 27, 'MKR': 0.014,
+    'NPXS': 22400, 'OMG': 3.5, 'PAY': 278, 'SRN': 2905, 'TRX': 1, 'UNI': 0.7, 'USD': 3, 'USDC': 75.5, 'USDT': 37,
+    'XLM': 0.005, 'XRP': 0.1, 'XTZ': 0.1, 'ZRX': 16
+}
+
+EOD_TOKEN = '60af85057712e4.51092124'