/
sources.py
694 lines (608 loc) · 29.4 KB
/
sources.py
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import csv
import datetime
import json
import os
import re
import requests
import sys
import time
from appdirs import user_data_dir
_request_headers = {'content-type': 'application/json',
'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:22.0) Gecko/20100101 Firefox/22.0'}
class FeedSource():
def __init__(self, scaleVolumeBy=1.0,
enable=True,
allowFailure=False,
timeout=5,
quotes=[],
bases=[],
**kwargs):
self.scaleVolumeBy = scaleVolumeBy
self.enabled = enable
self.allowFailure = allowFailure
self.timeout = timeout
self.bases = bases
self.quotes = quotes
[setattr(self, key, kwargs[key]) for key in kwargs]
# Why fail if the scaleVolumeBy is 0
if self.scaleVolumeBy == 0.0:
self.allowFailure = True
def fetch(self):
try:
feed = self._fetch()
self.updateCache(feed)
return feed
except Exception as e:
print("\n{1} We encountered an error loading live data. Trying to recover from cache! ({0})".format(str(e), type(self).__name__))
# Terminate if not allow Failure
if not self.allowFailure:
sys.exit("\nExiting due to exchange importance on %s!" % type(self).__name__)
try:
return self.recoverFromCache()
except:
print("We were unable to fetch live or cached data from %s. Skipping", type(self).__name__)
def today(self):
return datetime.datetime.strftime(datetime.datetime.now(), "%Y-%m-%d")
def recoverFromCache(self):
cacheFile = self.getCacheFileName()
if os.path.isfile(cacheFile):
with open(self.getCacheFileName(), 'r') as fp:
return json.load(fp)
return {}
def getCacheFileName(self):
cacheDir = os.path.join(
user_data_dir("bitshares_pricefeed", "ChainSquad GmbH"),
"cache",
type(self).__name__
)
if not os.path.exists(cacheDir):
os.makedirs(cacheDir)
return os.path.join(cacheDir, self.today() + ".json")
def updateCache(self, feed):
with open(self.getCacheFileName(), 'w') as fp:
json.dump(feed, fp)
class BitcoinIndonesia(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
url = "https://vip.bitcoin.co.id/api/%s_%s/ticker" % (quote.lower(), base.lower())
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()["ticker"]
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base][quote] = {"price": float(result["last"]),
"volume": float(result["vol_" + quote.lower()]) * self.scaleVolumeBy}
feed[base]["response"] = response.json()
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Yunbi(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
url = "https://yunbi.com/api/v2/tickers.json"
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
feed["response"] = result
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
marketName = quote.lower() + base.lower()
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
if marketName in result:
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base][quote] = {"price": (float(result[marketName]["ticker"]["last"])),
"volume": (float(result[marketName]["ticker"]["vol"]) * self.scaleVolumeBy)}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Btc38(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
url = "http://api.btc38.com/v1/ticker.php"
try:
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if base == quote:
continue
params = {'c': quote.lower(), 'mk_type': base.lower()}
response = requests.get(url=url, params=params, headers=_request_headers, timeout=self.timeout)
result = response.json()
feed["response"] = result
if "ticker" in result and \
"last" in result["ticker"] and \
"vol" in result["ticker"]:
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base][quote] = {"price": (float(result["ticker"]["last"])),
"volume": (float(result["ticker"]["vol"]) * self.scaleVolumeBy)}
else:
print("\nFetched data from {0} is empty!".format(type(self).__name__))
continue
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Bter(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
url = "http://data.bter.com/api/1/tickers"
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
feed["response"] = result
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
if quote.lower() + "_" + base.lower() in result:
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base][quote] = {"price": (float(result[quote.lower() + "_" + base.lower()]["last"])),
"volume": (float(result[quote.lower() + "_" + base.lower()]["vol_" + base.lower()]) * self.scaleVolumeBy)}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Poloniex(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
url = "https://poloniex.com/public?command=returnTicker"
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
feed["response"] = result
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
marketName = base + "_" + quote
if marketName in result:
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base][quote] = {"price": (float(result[marketName]["last"])),
"volume": (float(result[marketName]["quoteVolume"]) * self.scaleVolumeBy)}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Bittrex(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
url = "https://bittrex.com/api/v1.1/public/getmarketsummaries"
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()["result"]
feed["response"] = response.json()
for base in self.bases:
feed[base] = {}
for thisMarket in result:
for quote in self.quotes:
if quote == base:
continue
if thisMarket["MarketName"] == base + "-" + quote:
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base][quote] = {"price": (float(thisMarket["Last"])),
"volume": (float(thisMarket["Volume"]) * self.scaleVolumeBy)}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Yahoo(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
# Currencies and commodities
for base in self.bases:
feed[base] = {}
yahooAssets = ",".join([a + base + "=X" for a in self.quotes])
url = "http://download.finance.yahoo.com/d/quotes.csv"
params = {'s': yahooAssets, 'f': 'l1', 'e': '.csv'}
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout, params=params)
yahooprices = response.text.replace('\r', '').split('\n')
for i, quote in enumerate(self.quotes):
if float(yahooprices[i]) > 0:
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base][quote] = {"price": (float(yahooprices[i])),
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
# Need to add support for injecting public and secret key
class BitcoinAverage(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
url = "https://api.bitcoinaverage.com/ticker/"
public_key = ""
secret_keu = ""
try:
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
response = requests.get(url=url + base, headers=_request_headers, timeout=self.timeout)
result = response.json()
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base]["response"] = result
feed[base][quote] = {"price": (float(result["last"])),
"volume": (float(result["total_vol"]))}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class BtcChina(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
url = "https://data.btcchina.com/data/ticker?base=%s%s" % (quote.lower(), base.lower())
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base]["response"] = result
feed[base][quote] = {"price": (float(result["ticker"]["last"])),
"volume": (float(result["ticker"]["vol"]) * self.scaleVolumeBy)}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Huobi(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
url = "http://api.huobi.com/staticmarket/ticker_%s_json.js" % (quote.lower())
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base]["response"] = result
feed[base][quote] = {"price": (float(result["ticker"]["last"])),
"volume": (float(result["ticker"]["vol"]) * self.scaleVolumeBy)}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Okcoin(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
if base == "USD":
url = "https://www.okcoin.com/api/v1/ticker.do?symbol=%s_%s" % (quote.lower(), base.lower())
elif base == "CNY":
url = "https://www.okcoin.cn/api/ticker.do?symbol=%s_%s" % (quote.lower(), base.lower())
else:
sys.exit("\n%s does not know base type %s" % (type(self).__name__, base))
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base]["response"] = result
feed[base][quote] = {"price": (float(result["ticker"]["last"])),
"volume": (float(result["ticker"]["vol"]) * self.scaleVolumeBy)}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class OpenExchangeRates(FeedSource): # Hourly updated data with free subscription
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
if not hasattr(self, "api_key") or not hasattr(self, "free_subscription"):
raise Exception("OpenExchangeRates FeedSource requires 'api_key' and 'free_subscription'")
def _fetch(self):
feed = {}
try:
for base in self.bases:
url = "https://openexchangerates.org/api/latest.json?app_id=%s&base=%s" % (self.api_key, base)
if self.free_subscription:
if base == 'USD':
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
else:
continue
else:
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
if result["base"] == base:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
feed[base][quote] = {"price": result["rates"][quote],
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class CurrencyLayer(FeedSource): # Hourly updated data over http with free subscription
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
if not hasattr(self, "api_key") or not hasattr(self, "free_subscription"):
raise Exception("OpenExchangeRates FeedSource requires 'api_key' and 'free_subscription'")
def _fetch(self):
feed = {}
try:
for base in self.bases:
url = "http://apilayer.net/api/live?access_key=%s¤cies=%s&source=%s&format=1" % (self.api_key, ",".join(self.quotes), base)
if self.free_subscription:
if base == 'USD':
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
else:
continue
else:
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
if result["source"] == base:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
feed[base][quote] = {"price": result["quotes"][base + quote],
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Fixer(FeedSource): # fixer.io daily updated data from European Central Bank.
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
for base in self.bases:
url = "http://api.fixer.io/latest?base=%s" % base
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
feed[base][quote] = {"price": result["rates"][quote],
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class BitcoinVenezuela(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
try:
url = "http://api.bitcoinvenezuela.com"
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
result = response.json()
for base in self.bases:
feed[base] = {}
if base == "USD":
for quote in self.quotes:
if quote == base or quote and quote not in ["EUR", "VEF", "ARS"]:
continue
feed[base][quote] = {"price": result["exchange_rates"][quote + '_' + base],
"volume": 1.0}
continue
for quote in self.quotes:
if quote == base:
continue
feed[base][quote] = {"price": result[base][quote],
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Coinmarketcap(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
base = self.bases[0]
if base == 'BTC':
feed[base] = {}
try:
ticker = requests.get('https://api.coinmarketcap.com/v1/ticker/').json()
global_data = requests.get('https://api.coinmarketcap.com/v1/global/').json()
bitcoin_data = requests.get('https://api.coinmarketcap.com/v1/ticker/bitcoin/').json()[0]
alt_caps_x = [float(coin['market_cap_usd'])
for coin in ticker if
float(coin['rank']) <= 11 and
coin['symbol'] != "BTC"
]
alt_cap = (
float(global_data['total_market_cap_usd']) -
float(bitcoin_data['market_cap_usd']))
alt_cap_x = sum(alt_caps_x)
btc_cap = next((coin['market_cap_usd'] for coin in ticker if coin["symbol"] == "BTC"))
btc_altcap_price = float(alt_cap) / float(btc_cap)
btc_altcapx_price = float(alt_cap_x) / float(btc_cap)
if 'ALTCAP' in self.quotes:
feed[base]['ALTCAP'] = {"price": btc_altcap_price,
"volume": 1.0}
if 'ALTCAP.X' in self.quotes:
feed[base]['ALTCAP.X'] = {"price": btc_altcapx_price,
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Coincap(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
base = self.bases[0]
if base == 'BTC':
feed[base] = {}
try:
coincap_front = requests.get('http://www.coincap.io/front').json()
coincap_global = requests.get('http://www.coincap.io/global').json()
alt_cap = float(coincap_global["altCap"])
alt_caps_x = [float(coin['mktcap'])
for coin in coincap_front
if 'position24' in coin and
int(coin['position24']) <= 11 and
coin['short'] != "BTC"]
alt_cap_x = sum(alt_caps_x)
btc_cap = float(coincap_global["btcCap"])
btc_altcap_price = alt_cap / btc_cap
btc_altcapx_price = alt_cap_x / btc_cap
if 'ALTCAP' in self.quotes:
feed[base]['ALTCAP'] = {"price": btc_altcap_price,
"volume": 1.0}
if 'ALTCAP.X' in self.quotes:
feed[base]['ALTCAP.X'] = {"price": btc_altcapx_price,
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Graphene(FeedSource):
def _fetch(self):
from bitshares.market import Market
feed = {}
try:
for base in self.bases:
for quote in self.quotes:
if quote == base:
continue
ticker = Market("%s:%s" % (quote, base)).ticker()
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base] = {}
if (float(ticker["latest"])) > 0 and float(ticker["quoteVolume"]) > 0:
feed[base][quote] = {"price": (float(ticker["latest"])),
"volume": (float(ticker["quoteVolume"]) * self.scaleVolumeBy)}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Google(FeedSource): # Google Finance
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.period = 60 * 60 # 1h
self.days = 1
def _fetch(self):
feed = {}
try:
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if quote == base:
continue
ticker = "%s%s" % (quote, base)
url = (
'http://www.google.com/finance/getprices'
'?i={period}&p={days}d&f=d,c&df=cpct&q={ticker}'
).format(ticker=ticker, period=self.period, days=self.days)
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
reader = csv.reader(response.text.splitlines())
prices = []
for row in reader:
if re.match('^[a\d]', row[0]):
prices.append(float(row[1]))
feed[base][quote] = {"price": sum(prices) / len(prices),
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class Quandl(FeedSource): # Google Finance
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.period = 60 * 60 # 1h
self.days = 1
self.maxAge = getattr(self, "maxAge", 5)
def _fetch(self):
feed = {}
try:
for market in self.datasets:
quote, base = market.split(":")
if base not in feed:
feed[base] = {}
prices = []
for dataset in self.datasets[market]:
url = "https://www.quandl.com/api/v3/datasets/{dataset}.json?start_date={date}".format(
dataset=dataset,
date=datetime.datetime.strftime(datetime.datetime.now() -
datetime.timedelta(days=self.maxAge),
"%Y-%m-%d")
)
response = requests.get(url=url, headers=_request_headers, timeout=self.timeout)
data = response.json()
if "dataset" not in data:
raise Exception("Feed has not returned a dataset for url: %s" % url)
d = data["dataset"]
if len(d["data"]):
prices.append(d["data"][-1][1])
feed[base][quote] = {"price": sum(prices) / len(prices),
"volume": 1.0}
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed
class ChBTC(FeedSource):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _fetch(self):
feed = {}
url = "http://api.chbtc.com/data/v1/ticker?currency={quote}_{base}" # bts_cny
try:
for base in self.bases:
feed[base] = {}
for quote in self.quotes:
if base == quote:
continue
response = requests.get(url=url.format(
quote=quote,
base=base
), headers=_request_headers, timeout=self.timeout)
result = response.json()
feed["response"] = result
if "ticker" in result and \
"last" in result["ticker"] and \
"vol" in result["ticker"]:
if hasattr(self, "quoteNames") and quote in self.quoteNames:
quote = self.quoteNames[quote]
feed[base][quote] = {"price": (float(result["ticker"]["last"])),
"volume": (float(result["ticker"]["vol"]) * self.scaleVolumeBy)}
else:
print("\nFetched data from {0} is empty!".format(type(self).__name__))
continue
except Exception as e:
raise Exception("\nError fetching results from {1}! ({0})".format(str(e), type(self).__name__))
return feed