def _post(self,
api_method,
params=None,
connection=None,
error_handler=None):
if params is None:
params = {'nonce': datetime.now().microsecond}
else:
params["nonce"] = datetime.now().microsecond
encoded_params = urllib.parse.urlencode(params).encode()
# Hash the params string to produce the Sign header value
H = hmac.new(self.secret.encode(), digestmod=hashlib.sha512)
H.update(encoded_params)
sign = H.hexdigest()
if connection is None:
connection = common.BTERConnection()
headers = {"Key": self.key, "Sign": sign}
result = connection.makeJSONRequest('/api/1/private/' + api_method,
method='POST',
extra_headers=headers,
params=encoded_params)
return common.validateResponse(result, error_handler=error_handler)
def getDepth(pair, connection=None, error_handler=None):
"""
Retrieve the depth for the given pair. Returns a tuple (asks, bids);
each of these is a list of (price, volume) tuples.
"""
common.validatePair(pair)
if connection is None:
connection = common.BTERConnection()
depth = common.validateResponse(connection.makeJSONRequest('/api/1/depth/%s' % pair, method='GET'),
error_handler=error_handler)
if type(depth) is not dict:
raise TypeError("The response is not a dict.")
asks = depth.get('asks')
if type(asks) is not list:
raise TypeError("The response does not contain an asks list.")
bids = depth.get('bids')
if type(bids) is not list:
raise TypeError("The response does not contain a bids list.")
return asks, bids
def getTradeHistory(pair, connection=None, start_tid=None, count=None, error_handler=None):
"""
Retrieve the trade history for the given pair. Returns a list of
Trade instances. If count is not None, it should be an integer, and
specifies the number of items from the trade history that will be
processed and returned.
"""
common.validatePair(pair)
if connection is None:
connection = common.BTERConnection()
if start_tid is None:
result = connection.makeJSONRequest('/api/1/trade/%s' % pair, method='GET')
else:
result = connection.makeJSONRequest('/api/1/trade/%s/%d' % (pair, start_tid), method='GET')
result = common.validateResponse(result, error_handler=error_handler)
history = result[u'data']
if type(history) is not list:
raise Exception('The response does not contain a history list.')
result = []
# Limit the number of items returned if requested.
if count is not None:
history = history[:count]
for h in history:
h["pair"] = pair
t = Trade(**h)
result.append(t)
return result
def get_price(self,coin_pair):
connection = common.BTERConnection()
result = connection.makeJSONRequest('/api/1/ticker/' + coin_pair, method='GET',
extra_headers={}, params=None)
return common.validateResponse(result, error_handler=None)
pass
def update(self):
connection = common.BTERConnection()
if self._all:
self._market_data = connection.makeJSONRequest("/api/1/tickers",
method="GET")
else:
self._market_data = dict(
(pair,
connection.makeJSONRequest("/api/1/ticker/%s" % pair,
method="GET"))
for pair in self.pairs)