def filter_symbols(self):
raw_pair = self._pair
self._pair = [
filter_bit_symbol(j)
for j in [filter_prefix_symbol(i) for i in raw_pair]
]
debug(self._pair)
def get_gecko_price(**kwargs):
price = None
for key, value in list(kwargs.items()):
debug("The value of {} is {}".format(key, value)) # debug
if key == "pair_":
price = get_gecko_price_by_pair(value)
elif key == "symbol_":
pair = split_pair(value) # pair=[quote, base]
price = get_gecko_price_by_pair(pair)
return price
def _get_market_price(base, quote):
try:
coin_list = asyncio.get_event_loop().run_until_complete(get_json(GECKO_COINS_URL + 'list'))
quote_name = check_gecko_symbol_exists(coin_list, quote.lower())
lookup_pair = "?vs_currency=" + base.lower() + "&ids=" + quote_name
market_url = GECKO_COINS_URL + 'markets' + lookup_pair
debug(market_url)
ticker = asyncio.get_event_loop().run_until_complete(get_json(market_url))
current_price = None
for entry in ticker:
current_price = entry['current_price']
high_24h = entry['high_24h']
low_24h = entry['low_24h']
total_volume = entry['total_volume']
return current_price
except TypeError:
return None
def get_gecko_price_by_pair(pair):
current_price = None
try:
quote = pair[0]
base = pair[1]
current_price = _get_market_price(base, quote)
if current_price is None: # Try inverted version
debug("Trying pair inversion...")
current_price = _get_market_price(quote, base)
debug(base + '/' + quote, str(current_price))
if current_price is not None: # Re-invert price
actual_price = 1 / current_price
debug(quote + '/' + base, str(actual_price))
current_price = actual_price
else:
debug(pair, current_price)
except Exception as e:
print(type(e).__name__, e.args, str(e))
return current_price
def _get_center_price(self):
symbol = self._symbol
price = None
if self._exchange not in self._alt_exchanges:
price = get_ccxt_price(symbol, self._exchange)
debug('Use ccxt exchange {} symbol {} price: {}'.format(self.exchange, symbol, price))
elif self._exchange == 'gecko':
price = get_gecko_price(symbol_=symbol)
debug('Use ccxt exchange {} symbol {} price: {}'.format(self.exchange, symbol, price))
elif self._exchange == 'waves':
price = get_waves_price(symbol_=symbol)
debug('Use waves exchange {} symbol {} price: {}'.format(self.exchange, symbol, price))
return price
def _get_center_price(self):
symbol = self._symbol
price = None
if self._exchange not in self._alt_exchanges:
price = get_ccxt_price(symbol, self._exchange)
debug("use ccxt exchange ", self._exchange, ' symbol ', symbol,
' price:', price)
elif self._exchange == 'gecko':
price = get_gecko_price(symbol_=symbol)
debug("gecko exchange - ", self._exchange, ' symbol ', symbol,
' price:', price)
elif self._exchange == 'waves':
price = get_waves_price(symbol_=symbol)
debug("use waves -", self._exchange, ' symbol ', symbol, ' price:',
price)
return price