def __validate_dispense_both_response( response_frame, template ):
logger = Logger()
logger.debug('Dispenser_LCDM4000: Validate response_frame to dispense_both : %s' % response_frame)
template['status'] = response_frame[12] in [0x30, 0x31]
template['error_cause'] = response_frame[12]
template['upper_chk_requested_10'] = chr(response_frame[4])
template['upper_chk_requested_1'] = chr(response_frame[5])
template['upper_exit_requested_10'] = chr(response_frame[6])
template['upper_exit_requested_1'] = chr(response_frame[7])
template['lower_chk_requested_10'] = chr(response_frame[8])
template['lower_chk_requested_1'] = chr(response_frame[9])
template['lower_exit_requested_10'] = chr(response_frame[10])
template['lower_exit_requested_1'] = chr(response_frame[11])
template['upper_rejects_10'] = chr(response_frame[15])
template['upper_rejects_1'] = chr(response_frame[16])
template['upper_status'] = chr(response_frame[13])
template['lower_rejects_10'] = chr(response_frame[17])
template['lower_rejects_1'] = chr(response_frame[18])
template['lower_status'] = chr(response_frame[14])
return template
def command_dispense_several(self, cassets_info, cassets_dispense):
logger = Logger()
logger.debug('Dispenser_LCDM2000: Amount will be dispensed from several cassets')
# check limits
upper_count_10 = min( int(cassets_dispense[0] * 1. / 10), self.dispense_limit_both_10 )
upper_count_1 = min( cassets_dispense[0] - upper_count_10 * 10, self.dispense_limit_both_1 )
lower_count_10 = min( int(cassets_dispense[1] * 1. / 10), self.dispense_limit_both_10 )
lower_count_1 = min( cassets_dispense[1] - lower_count_10 * 10, self.dispense_limit_both_1 )
logger.debug('Dispenser_LCDM2000: upper_count_10 : %d' % upper_count_10)
logger.debug('Dispenser_LCDM2000: upper_count_1 : %d' % upper_count_1)
logger.debug('Dispenser_LCDM2000: lower_count_10 : %d' % lower_count_10)
logger.debug('Dispenser_LCDM2000: lower_count_1 : %d' % lower_count_1)
upper_count_10 = ord("%s" % upper_count_10)
upper_count_1 = ord("%s" % upper_count_1)
lower_count_10 = ord("%s" % lower_count_10)
lower_count_1 = ord("%s" % lower_count_1)
return [
0x04,0x50,0x02,0x56,upper_count_10,upper_count_1,lower_count_10,lower_count_1,0x03,
0x04^0x50^0x02^0x56^upper_count_10^upper_count_1^lower_count_10^lower_count_1^0x03
]
def init(engineType, user, password, host, port, db, debug=False):
Db.engineType = engineType
Db.user = user
Db.password = password
Db.port = port
Db.host = host
Db.db = db
log = Logger()
if engineType == 'sqlite':
engineConnStr = engineType + ':///' + db
engineConnStrLog = engineConnStr
else:
engineConnStr = engineType + '://' + user + ':' + password + '@' + host + ':' + str(
port) + '/' + db
engineConnStrLog = engineType + '://' + user + '@' + host + ':' + str(
port) + '/' + db
log.info('Db connection: ' + engineConnStrLog)
log.debug('Db connection full: ' + engineConnStr)
engine = create_engine(engineConnStr, echo=debug)
session_factory = sessionmaker(bind=engine)
Db.Session = scoped_session(session_factory)
Db.Base = declarative_base(bind=engine)
Db.metadata = Db.Base.metadata
def __validate_dispense_both_response(response_frame, template):
logger = Logger()
logger.debug(
'Dispenser_LCDM4000: Validate response_frame to dispense_both : %s'
% response_frame)
template['status'] = response_frame[12] in [0x30, 0x31]
template['error_cause'] = response_frame[12]
template['upper_chk_requested_10'] = chr(response_frame[4])
template['upper_chk_requested_1'] = chr(response_frame[5])
template['upper_exit_requested_10'] = chr(response_frame[6])
template['upper_exit_requested_1'] = chr(response_frame[7])
template['lower_chk_requested_10'] = chr(response_frame[8])
template['lower_chk_requested_1'] = chr(response_frame[9])
template['lower_exit_requested_10'] = chr(response_frame[10])
template['lower_exit_requested_1'] = chr(response_frame[11])
template['upper_rejects_10'] = chr(response_frame[15])
template['upper_rejects_1'] = chr(response_frame[16])
template['upper_status'] = chr(response_frame[13])
template['lower_rejects_10'] = chr(response_frame[17])
template['lower_rejects_1'] = chr(response_frame[18])
template['lower_status'] = chr(response_frame[14])
return template
def validate_status_response(self, status_frame):
logger = Logger()
logger.debug('Dispenser_LCDM1000: Validate status_frame %s. Len is %d' % (status_frame, len(status_frame)))
# Pop ACK
status_frame.pop(0)
response = {
'status' : True,
'error_cause' : "%X" % status_frame[5] ,
'sensor_0' : "%X" % status_frame[6],
'sensor_1' : "%X" % status_frame[7]
}
return response
def command_dispense_single(self, cassets_info, id_cash_box, count):
logger = Logger()
count_10 = min(int(count * 1. / 10), self.dispense_limit_single_10)
count_1 = min(count - count_10 * 10, self.dispense_limit_single_1)
logger.debug( 'Corrected counts: 10 (%d), 1 (%d)' % (count_10, count_1) )
count_10 = ord("%s" % count_10)
count_1 = ord("%s" % count_1)
return [
0x04,0x50,0x02,0x45,count_10,count_1,0x03,
0x04^0x50^0x02^0x45^count_10^count_1^0x03
]
def command_dispense_several(self, cassets_info, cassets_dispense):
logger = Logger()
logger.debug(
'Dispenser_LCDM4000: Amount will be dispensed from several cassettes'
)
# check limits
upper_count = int(cassets_dispense.get(0, 0))
m_upper_count = int(cassets_dispense.get(4, 0))
m_lower_count = int(cassets_dispense.get(5, 0))
lower_count = int(cassets_dispense.get(1, 0))
logger.debug('Dispenser_LCDM4000: upper_count : %d' % upper_count)
logger.debug('Dispenser_LCDM4000: m_upper_count : %d' % m_upper_count)
logger.debug('Dispenser_LCDM4000: m_lower_count : %d' % m_lower_count)
logger.debug('Dispenser_LCDM4000: lower_count : %d' % lower_count)
'''
The number of bills to be dispensed from cassette + 0x20
'''
upper_count += 0x20
m_upper_count += 0x20
m_lower_count += 0x20
lower_count += 0x20
return [
0x04, 0x30, 0x02, 0x52, upper_count, m_upper_count, m_lower_count,
lower_count, 0x20, 0x20, 0x20, 0x03,
0x04 ^ 0x30 ^ 0x02 ^ 0x52 ^ upper_count ^ m_upper_count
^ m_lower_count ^ lower_count ^ 0x20 ^ 0x20 ^ 0x20 ^ 0x03
]
def validate_status_response(self, status_frame):
logger = Logger()
logger.debug('Dispenser_LCDM2000: Validate status_frame %s. Len is %d' % (status_frame, len(status_frame)))
# Pop ACK
status_frame.pop(0)
response = {
'status' : True,
'error_cause' : "%X" % status_frame[5] ,
'sensor_0' : "%X" % status_frame[6],
'sensor_1' : "%X" % status_frame[7]
}
return response
def command_dispense_several(self, cassets_info, cassets_dispense):
logger = Logger()
logger.debug('Dispenser_LCDM4000: Amount will be dispensed from several cassettes')
# check limits
upper_count = int(cassets_dispense.get(0,0))
m_upper_count = int(cassets_dispense.get(4,0))
m_lower_count = int(cassets_dispense.get(5,0))
lower_count = int(cassets_dispense.get(1,0))
logger.debug('Dispenser_LCDM4000: upper_count : %d' % upper_count)
logger.debug('Dispenser_LCDM4000: m_upper_count : %d' % m_upper_count)
logger.debug('Dispenser_LCDM4000: m_lower_count : %d' % m_lower_count)
logger.debug('Dispenser_LCDM4000: lower_count : %d' % lower_count)
'''
The number of bills to be dispensed from cassette + 0x20
'''
upper_count += 0x20
m_upper_count += 0x20
m_lower_count += 0x20
lower_count += 0x20
return [
0x04,0x30,0x02,0x52,upper_count,m_upper_count,m_lower_count,lower_count,0x20,0x20,0x20,0x03,
0x04^0x30^0x02^0x52^upper_count^m_upper_count^m_lower_count^lower_count^0x20^0x20^0x20^0x03
]
def command_dispense_single(self, cassets_info, id_cash_box, count):
logger = Logger()
count_10 = min(int(count * 1. / 10), self.dispense_limit_single_10)
count_1 = min(count - count_10 * 10, self.dispense_limit_single_1)
logger.debug('Corrected counts: 10 (%d), 1 (%d)' % (count_10, count_1))
count_10 = ord("%s" % count_10)
count_1 = ord("%s" % count_1)
return [
0x04, 0x50, 0x02, 0x45, count_10, count_1, 0x03,
0x04 ^ 0x50 ^ 0x02 ^ 0x45 ^ count_10 ^ count_1 ^ 0x03
]
def validate_status_response(self, status_frame):
logger = Logger()
logger.debug('Dispenser_LCDM4000: Validate status_frame %s. Len is %d' % (status_frame, len(status_frame)))
# Pop ACK
status_frame.pop(0)
response = {
'status' : True,
'error_cause' : "%X" % status_frame[5],
'sensor_0' : "%X" % status_frame[6], # Upper
'sensor_1' : "%X" % status_frame[9], # Middle upper
'sensor_2' : "%X" % status_frame[12], # Middle lower
'sensor_3' : "%X" % status_frame[15], # Lower
}
return response
class StrategyExecutor(object):
def __init__(self):
self.strategies = []
self.log = Logger()
def addStrategy(self, strategy):
self.strategies.append(strategy)
def getStrategies(self):
return self.strategies
def execute(self, candle):
self.log.debug('Processing candle: ' + str(candle))
# TODO should catch exceptions otherwise one faulty strategy will break all the remaining ones
for strategy in self.strategies:
strategy.execute(candle)
def validate_status_response(self, status_frame):
logger = Logger()
logger.debug(
'Dispenser_LCDM4000: Validate status_frame %s. Len is %d' %
(status_frame, len(status_frame)))
# Pop ACK
status_frame.pop(0)
response = {
'status': True,
'error_cause': "%X" % status_frame[5],
'sensor_0': "%X" % status_frame[6], # Upper
'sensor_1': "%X" % status_frame[9], # Middle upper
'sensor_2': "%X" % status_frame[12], # Middle lower
'sensor_3': "%X" % status_frame[15], # Lower
}
return response
def command_dispense_single(self, cassets_info, id_cash_box, count):
logger = Logger()
logger.debug('Dispenser_LCDM4000: Request to dispense will be converted from single to multi dispense')
CASSETE_ID_UPPER = 0
CASSETE_ID_LOWER = 1
CASSETE_ID_MIDDLE_UPPER = 4
CASSETE_ID_MIDDLE_LOWER = 5
cassets_dispense = {
CASSETE_ID_UPPER : 0,
CASSETE_ID_LOWER : 0,
CASSETE_ID_MIDDLE_UPPER : 0,
CASSETE_ID_MIDDLE_LOWER : 0,
}
cassets_dispense[id_cash_box] = count
return self.command_dispense_several(cassets_info, cassets_dispense)
def __validate_dispense_single_response(response_frame, template):
logger = Logger()
response = {}
if response_frame[3] == 0x45:
logger.debug('Dispenser_LCDM4000: upper cassete validator')
chk_sensor_exit_10 = 'upper_chk_requested_10'
chk_sensor_exit_1 = 'upper_chk_requested_1'
exit_requested_10 = 'upper_exit_requested_10'
exit_requested_1 = 'upper_exit_requested_1'
rejects_10 = 'upper_rejects_10'
rejects_1 = 'upper_rejects_1'
status = 'upper_status'
elif response_frame[3] == 0x55:
logger.debug('Dispenser_LCDM4000: lower cassete validator')
chk_sensor_exit_10 = 'lower_chk_requested_10'
chk_sensor_exit_1 = 'lower_chk_requested_1'
exit_requested_10 = 'lower_exit_requested_10'
exit_requested_1 = 'lower_exit_requested_1'
rejects_10 = 'lower_rejects_10'
rejects_1 = 'lower_rejects_1'
status = 'lower_status'
else:
logger.debug('Dispenser_LCDM4000: UNKNOWN cassete')
logger.debug('Dispenser_LCDM4000: response_frame[3] is %s' % response_frame[3])
logger.debug('Dispenser_LCDM4000: response_frame[3] is %X' % response_frame[3])
template[chk_sensor_exit_10] = chr(response_frame[4])
template[chk_sensor_exit_1] = chr(response_frame[5])
template[exit_requested_10] = chr(response_frame[6])
template[exit_requested_1] = chr(response_frame[7])
template[rejects_10] = chr(response_frame[10])
template[rejects_1] = chr(response_frame[11])
template['error_cause'] = response_frame[8]
template[status] = response_frame[9]
logger.debug('Dispenser_LCDM4000: Validate response_frame to dispense_single : %s' % response_frame)
return template
def command_dispense_single(self, cassets_info, id_cash_box, count):
logger = Logger()
logger.debug(
'Dispenser_LCDM4000: Request to dispense will be converted from single to multi dispense'
)
CASSETE_ID_UPPER = 0
CASSETE_ID_LOWER = 1
CASSETE_ID_MIDDLE_UPPER = 4
CASSETE_ID_MIDDLE_LOWER = 5
cassets_dispense = {
CASSETE_ID_UPPER: 0,
CASSETE_ID_LOWER: 0,
CASSETE_ID_MIDDLE_UPPER: 0,
CASSETE_ID_MIDDLE_LOWER: 0,
}
cassets_dispense[id_cash_box] = count
return self.command_dispense_several(cassets_info, cassets_dispense)
def validate_dispense_response(self, response_frame):
logger = Logger()
logger.debug(
'Dispenser_LCDM1000: validate "Dispense" response frame %s' %
response_frame)
template = {
'status': False,
'error_cause': 0,
'upper_chk_requested_10': 0,
'upper_chk_requested_1': 0,
'upper_exit_requested_10': 0,
'upper_exit_requested_1': 0,
'upper_rejects_10': 0,
'upper_rejects_1': 0,
'upper_status': 0,
'lower_chk_requested_10': 0,
'lower_chk_requested_1': 0,
'lower_exit_requested_10': 0,
'lower_exit_requested_1': 0,
'lower_rejects_10': 0,
'lower_rejects_1': 0,
'lower_status': 0
}
# Hook
response_frame[3] = int(response_frame[3])
# Error while dispensing
if len(response_frame) == 7:
logger.debug('Dispenser_LCDM1000: len(response_frame) == 7')
return False
if len(response_frame) == 21:
return self.__validate_dispense_both_response(
response_frame, template)
if response_frame[3] in [0x45, 0x55]:
return self.__validate_dispense_single_response(
response_frame, template)
def __validate_dispense_single_response(response_frame, template):
logger = Logger()
if response_frame[3] == 0x45:
logger.debug('Dispenser_LCDM2000: upper cassete validator')
chk_sensor_exit_10 = 'upper_chk_requested_10'
chk_sensor_exit_1 = 'upper_chk_requested_1'
exit_requested_10 = 'upper_exit_requested_10'
exit_requested_1 = 'upper_exit_requested_1'
rejects_10 = 'upper_rejects_10'
rejects_1 = 'upper_rejects_1'
status = 'upper_status'
elif response_frame[3] == 0x55:
logger.debug('Dispenser_LCDM2000: lower cassete validator')
chk_sensor_exit_10 = 'lower_chk_requested_10'
chk_sensor_exit_1 = 'lower_chk_requested_1'
exit_requested_10 = 'lower_exit_requested_10'
exit_requested_1 = 'lower_exit_requested_1'
rejects_10 = 'lower_rejects_10'
rejects_1 = 'lower_rejects_1'
status = 'lower_status'
else:
logger.debug('Dispenser_LCDM2000: UNKNOWN cassete')
logger.debug('Dispenser_LCDM2000: response_frame[3] is %s' % response_frame[3])
logger.debug('Dispenser_LCDM2000: response_frame[3] is %X' % response_frame[3])
template[chk_sensor_exit_10] = chr(response_frame[4])
template[chk_sensor_exit_1] = chr(response_frame[5])
template[exit_requested_10] = chr(response_frame[6])
template[exit_requested_1] = chr(response_frame[7])
template[rejects_10] = chr(response_frame[10])
template[rejects_1] = chr(response_frame[11])
template['error_cause'] = response_frame[8]
template[status] = response_frame[9]
logger.debug('Dispenser_LCDM2000: Validate response_frame to dispense_single : %s' % response_frame)
return template
def validate_dispense_response(self, response_frame):
logger = Logger()
logger.debug('Dispenser_LCDM1000: validate "Dispense" response frame %s' % response_frame)
template = {
'status' : False,
'error_cause' : 0,
'upper_chk_requested_10' : 0,
'upper_chk_requested_1' : 0,
'upper_exit_requested_10' : 0,
'upper_exit_requested_1' : 0,
'upper_rejects_10' : 0,
'upper_rejects_1' : 0,
'upper_status' : 0,
'lower_chk_requested_10' : 0,
'lower_chk_requested_1' : 0,
'lower_exit_requested_10' : 0,
'lower_exit_requested_1' : 0,
'lower_rejects_10' : 0,
'lower_rejects_1' : 0,
'lower_status' : 0
}
# Hook
response_frame[3] = int(response_frame[3])
# Error while dispensing
if len(response_frame) == 7:
logger.debug('Dispenser_LCDM1000: len(response_frame) == 7')
return False
if len(response_frame) == 21:
return self.__validate_dispense_both_response(response_frame, template)
if response_frame[3] in [0x45, 0x55]:
return self.__validate_dispense_single_response(response_frame, template)
class Cashcode_T1500 (Thread):
parity = 'N'
stopbits = 1
bitesize = 8
baudrate = 9600
serial_timeout = .5
p_ack = 0x00
p_nck = 0xFF
p_sync = 0x02
p_adr = 0x03
c_reset = 0x30
c_status = 0x31
c_security = 0x32
c_poll = 0x33
c_bill_types = 0x34
c_stack = 0x35
c_return = 0x36
c_ident = 0x37
c_hold = 0x38
c_barcode = 0x39
c_barcode_extract = 0x3A
c_bill_table = 0x41
c_download = 0x50
c_crc32 = 0x51
c_stats = 0x60
r_power_up = 0x10
r_power_up_validator = 0x11
r_power_up_stacker = 0x12
r_initialize = 0x13
r_idling = 0x14
r_accepting = 0x15
r_stacking = 0x17
r_returning = 0x18
r_unit_disabled = 0x19
r_holding = 0x1A
r_device_busy = 0x1B
#generic reject codes
rj_reject = 0x1C
rj_drop_casset_full = 0x41
rj_drop_casset_out = 0x42
rj_validator_jammed = 0x43
rj_drop_casset_jammed = 0x44
rj_cheated = 0x45
rj_pause = 0x46
rf_failure = 0x47
#events
re_escrow = 0x80
re_stacked = 0x81
re_returned = 0x82
# Errors
e_insertation = 0x60
bill_types = {
2: 10,
3: 50,
4: 100,
5: 500,
6: 1000,
7: 5000
}
CRC_TABLE = [
0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
]
__prefix = '[Cashcode_t1500]'
last_action = 0
time_start = 0
timeout = 0
sleep_time = .5
running = False
events = []
def __init__ (self, device, baudrate = 9600, sleep_time = .5, timeout = 0):
self.device, self.timeout = device, timeout
self.logger = Logger()
if baudrate:
self.baudrate = baudrate
if sleep_time > 0:
self.sleep_time = sleep_time
Thread.__init__(self)
def connect(self):
self.running = True
try:
self.serial = serial.serial_for_url(
self.device,
self.baudrate,
parity = self.parity,
timeout = self.serial_timeout
)
self.check_status()
self.logger.debug("Okay. Adapter has been connected to CASHCODE SM with data %s:%s" % (self.device, self.baudrate))
except serial.SerialException as e:
message = 'Error while connecting to bill acceptor'
self.logger.warning(message)
raise AcceptorError(message = message, code = 500)
except Exception as e:
message = 'Error while connecting to bill acceptor. Error details: %s' % e
self.logger.warning(message)
raise AcceptorError(message = message, code = 500)
self.full_reset()
def disconnect(self):
self.running = False
try:
self.logger.debug('[Cashcode_T1500]: reset')
self.full_reset()
time.sleep(3)
self.serial.close()
except:
self.logger.debug('[Cashcode_T1500]: stopping with error')
pass
self.logger.debug('[Cashcode_T1500]: serial port has been closed')
def run(self):
self.logger.debug('[Cashcode_T1500]: thread has ran')
self.logger.debug('[Cashcode_T1500]: timeout is %s' % self.timeout)
total_summ = 0
response = None
self.last_action = time.time()
self.enable_bill_types()
self.check_status()
while self._running(self.timeout):
time.sleep(self.sleep_time)
# Если родительский поток не забрал все сообщения
if len( self.events ):
continue
try:
response = self.wait(
wait = [self.re_stacked],
skip = [self.r_idling, self.r_initialize, self.r_accepting, self.r_stacking],
timeout = self.timeout
)
except AcceptorError as e:
message = 'Error while waiting %s. Response is %s. Error is %s' % (self.re_stacked, response, str(e.args))
self.logger.debug(message)
continue
try:
amount = self.bill_types[response[1]]
total_summ += amount
self.logger.debug('Response is %s' % response)
self.logger.debug('Accepted amount is %d' % amount)
self.send_ack()
self.events.append({'id_trx': 0, 'count': 1, 'value': amount, 'total_amount': total_summ, 'sleep_time': self.sleep_time})
except:
pass
self.logger.debug('[Cashcode_T1500]: run stop operations')
self.disconnect()
def pop_message(self):
if not len(self.events):
return False
return self.events.pop(0)
def _running(self, timeout):
timestamp = int(time.time())
if not self.running:
self.logger.debug("Acceptor thread stopped by flag")
return False
if timeout > 0 and timestamp - self.last_action > timeout:
self.logger.debug("Acceptor thread stopped by timeout")
#print "timestamp: %s, last_action: %s, timeout: %s" % (timestamp, self.last_action, timeout)
return False
return True
def __calc_crc(self, data):
crc = 0;
for i in data:
crc = self.CRC_TABLE[ (crc ^ i) & 0xFF] ^ (crc >> 8);
return crc;
def _read_nbytes(self, length):
return str2bytes(self.serial.read(length))
def _read_byte(self):
return ord(self.serial.read(1))
#reads next 2 bytes (crc length)
def _read_crc(self):
return self._read_nbytes(2)
#reads response packey, verify crc, check header(sync, adr)
def _read_response(self):
header = self._read_nbytes(3)
try:
message = 'Header error. Is Cashcode connected to %s? Header is %s' % (self.device, header)
if (header[0] <> self.p_sync or header[1] <> self.p_adr):
self.logger.debug( message )
raise AcceptorError( message = message, code = 500 )
except IndexError:
message = 'Header error. Header is %s' % ( header )
self.logger.debug( message )
raise AcceptorError( message = message, code = 500 )
packet = self._read_nbytes( header[2] - 3 - 2 )
crc = self._read_crc()
checkCrc = int2bytes( self.__calc_crc(header + packet) )
if crc != checkCrc:
self.logger.debug('%s: _read_response. Crc not satisfied their=%s , my=%s' % (self.__prefix, crc, checkCrc))
# self.logger.debug('%s: _read_response. response(len=%d) dec=%s, hex=%s ' % (self.__prefix, len(packet), packet, ints2hex(packet) ))
self.validate_statement(packet)
return packet
def free(self, t = 0.02):
time.sleep(t)
''' ******* SEND COMMANDS ************ '''
def send_single_command(self, cmd, read_response = True):
packet = [self.p_sync, self.p_adr, 0x06, cmd]
packet = packet + int2bytes( self.__calc_crc(packet) )
self.serial.write( serial.to_bytes( packet ) )
if read_response:
return self._read_response()
return True
def send_command(self, data, read_response = True):
packet = [ self.p_sync, self.p_adr, 5 + len(data)] + data
packet = packet+ int2bytes(self.__calc_crc(packet))
self.serial.write(serial.to_bytes(packet) )
if read_response:
return self._read_response()
return True
def status(self):
return self.check_status()
''' ******* EXACT COMMANDS ************ '''
def check_status(self):
status_response = self.send_single_command( self.c_status, True )
self.logger.debug( '%s: check_status: Status is "%s"' % (self.__prefix, status_response))
self.send_ack()
return status_response
def poll(self):
return self.send_single_command( self.c_poll )
def full_reset(self):
self.logger.debug( '%s: full_reset' % (self.__prefix) )
return self.__is_ack( self.send_single_command(self.c_reset) )
''' ******** ALIASES ************** '''
def init_bill_types(self, b1, b2, b3, b4, b5, b6):
init_response = self.send_command([self.c_bill_types, b3, b2, b1, b6, b5, b4])
self.logger.debug( '%s: init_bill_types: Result is "%s"' % (self.__prefix, init_response))
self.free()
self.logger.debug( '%s: init_bill_types: poll' % (self.__prefix))
self.poll()
self.free()
self.send_ack()
self.wait( wait = [self.r_idling], skip = [self.r_initialize] )
return True
def enable_bill_types(self):
self.logger.debug('[Cashcode_t1500->enable_bill_types]: Enable bill types')
bills = 0
for i in range(2,8):
bills = bills | 1 << i
return self.init_bill_types(bills,0,0,0,0,0)
def disable_bill_types(self):
return self.init_bills(0,0,0,0,0,0)
def receive_start(self, timeout = 10):
self.logger.debug('%s: Starting receive of banknotes.' % self.__prefix)
self.last_action = time.time()
if( not self.enable_bill_types() ):
raise Exception('[Cashcode_t1500->receive_start]: Bill types was not setuped')
while self._running( timeout ):
response = self.wait(
wait = [self.re_stacked],
skip = [self.r_idling, self.r_initialize, self.r_accepting, self.r_stacking]
)
try:
amount = self.bill_types[ response[1] ]
self.logger.debug('Response is %s' % response)
self.logger.debug('Accepted amount is %d' % amount)
self.send_ack()
return amount
except:
pass
return 0
def receive_commit(self):
response = self.send_ack()
self.logger.debug('%s: commit result is %s' % (self.__prefix, response) )
def receive_rollback(self):
response = self.send_single_command(self.c_return, read_response = True)
self.logger.debug('%s: eject result is %s' % (self.__prefix, response) )
def send_ack(self):
return self.send_single_command(self.p_ack, False)
def send_nck(self):
return self.send_single_command(self.p_nck, False)
def bill_table(self):
response = self.send_single_command(self.c_bill_table)
for i in range(0,23):
bytes=response[i*5 : i*5+5]
print 'bytes: %s, %s' % (bytes, byte2str(bytes[1:4]))
def __is_ack(self, data):
return len(data)==1 and data[0]==self.p_ack
def __is_nck(self, data):
return len(data)==1 and data[0]==self.p_nck
def _stacked_handler(self):
pass
def _rejected_handler(self):
pass
def wait(self, wait=[], skip=[], timeout = 10):
self.logger.debug('[Cashcode_t1500->wait] start waiting %s' % timeout)
while self._running( timeout ):
response = self.poll()
if(response[0] in wait):
self.logger.debug('Normal response waited')
return response
if(response[0] in skip):
self.validate_statement( response )
continue
message = "[Cashcode_t1500->wait(%s, %s, %s)] got=%s" % (wait, skip, timeout, response)
self.logger.debug( message )
raise AcceptorError(message, response)
self.free(.2)
def validate_statement(self, packet):
if packet == [self.r_power_up]:
self.logger.debug('State is POWER_UP')
return
if packet == [self.r_accepting]:
self.logger.debug('State is ACCEPTING')
return
if packet == [self.r_stacking]:
self.logger.debug('State is STACKING')
return
if packet == [self.rj_reject, self.e_insertation]:
self.logger.debug('State is Error. Details: [rj_reject, e_insertation]')
return
class Cashcode_T1500(Thread):
parity = 'N'
stopbits = 1
bitesize = 8
baudrate = 9600
serial_timeout = .5
p_ack = 0x00
p_nck = 0xFF
p_sync = 0x02
p_adr = 0x03
c_reset = 0x30
c_status = 0x31
c_security = 0x32
c_poll = 0x33
c_bill_types = 0x34
c_stack = 0x35
c_return = 0x36
c_ident = 0x37
c_hold = 0x38
c_barcode = 0x39
c_barcode_extract = 0x3A
c_bill_table = 0x41
c_download = 0x50
c_crc32 = 0x51
c_stats = 0x60
r_power_up = 0x10
r_power_up_validator = 0x11
r_power_up_stacker = 0x12
r_initialize = 0x13
r_idling = 0x14
r_accepting = 0x15
r_stacking = 0x17
r_returning = 0x18
r_unit_disabled = 0x19
r_holding = 0x1A
r_device_busy = 0x1B
#generic reject codes
rj_reject = 0x1C
rj_drop_casset_full = 0x41
rj_drop_casset_out = 0x42
rj_validator_jammed = 0x43
rj_drop_casset_jammed = 0x44
rj_cheated = 0x45
rj_pause = 0x46
rf_failure = 0x47
#events
re_escrow = 0x80
re_stacked = 0x81
re_returned = 0x82
# Errors
e_insertation = 0x60
bill_types = {2: 10, 3: 50, 4: 100, 5: 500, 6: 1000, 7: 5000}
CRC_TABLE = [
0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, 0x8c48,
0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7, 0x1081, 0x0108,
0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e, 0x9cc9, 0x8d40, 0xbfdb,
0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876, 0x2102, 0x308b, 0x0210, 0x1399,
0x6726, 0x76af, 0x4434, 0x55bd, 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e,
0xfae7, 0xc87c, 0xd9f5, 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e,
0x54b5, 0x453c, 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd,
0xc974, 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3, 0x5285,
0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44,
0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72, 0x6306, 0x728f, 0x4014,
0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9, 0xef4e, 0xfec7, 0xcc5c, 0xddd5,
0xa96a, 0xb8e3, 0x8a78, 0x9bf1, 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3,
0x242a, 0x16b1, 0x0738, 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862,
0x9af9, 0x8b70, 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e,
0xf0b7, 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036, 0x18c1,
0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e, 0xa50a, 0xb483,
0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5, 0x2942, 0x38cb, 0x0a50,
0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd, 0xb58b, 0xa402, 0x9699, 0x8710,
0xf3af, 0xe226, 0xd0bd, 0xc134, 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7,
0x6e6e, 0x5cf5, 0x4d7c, 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1,
0xa33a, 0xb2b3, 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72,
0x3efb, 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a, 0xe70e,
0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf,
0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9, 0xf78f, 0xe606, 0xd49d,
0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, 0x7bc7, 0x6a4e, 0x58d5, 0x495c,
0x3de3, 0x2c6a, 0x1ef1, 0x0f78
]
__prefix = '[Cashcode_t1500]'
last_action = 0
time_start = 0
timeout = 0
sleep_time = .5
running = False
events = []
def __init__(self, device, baudrate=9600, sleep_time=.5, timeout=0):
self.device, self.timeout = device, timeout
self.logger = Logger()
if baudrate:
self.baudrate = baudrate
if sleep_time > 0:
self.sleep_time = sleep_time
Thread.__init__(self)
def connect(self):
self.running = True
try:
self.serial = serial.serial_for_url(self.device,
self.baudrate,
parity=self.parity,
timeout=self.serial_timeout)
self.check_status()
self.logger.debug(
"Okay. Adapter has been connected to CASHCODE SM with data %s:%s"
% (self.device, self.baudrate))
except serial.SerialException as e:
message = 'Error while connecting to bill acceptor'
self.logger.warning(message)
raise AcceptorError(message=message, code=500)
except Exception as e:
message = 'Error while connecting to bill acceptor. Error details: %s' % e
self.logger.warning(message)
raise AcceptorError(message=message, code=500)
self.full_reset()
def disconnect(self):
self.running = False
try:
self.logger.debug('[Cashcode_T1500]: reset')
self.full_reset()
time.sleep(3)
self.serial.close()
except:
self.logger.debug('[Cashcode_T1500]: stopping with error')
pass
self.logger.debug('[Cashcode_T1500]: serial port has been closed')
def run(self):
self.logger.debug('[Cashcode_T1500]: thread has ran')
self.logger.debug('[Cashcode_T1500]: timeout is %s' % self.timeout)
total_summ = 0
response = None
self.last_action = time.time()
self.enable_bill_types()
self.check_status()
while self._running(self.timeout):
time.sleep(self.sleep_time)
# Если родительский поток не забрал все сообщения
if len(self.events):
continue
try:
response = self.wait(wait=[self.re_stacked],
skip=[
self.r_idling, self.r_initialize,
self.r_accepting, self.r_stacking
],
timeout=self.timeout)
except AcceptorError as e:
message = 'Error while waiting %s. Response is %s. Error is %s' % (
self.re_stacked, response, str(e.args))
self.logger.debug(message)
continue
try:
amount = self.bill_types[response[1]]
total_summ += amount
self.logger.debug('Response is %s' % response)
self.logger.debug('Accepted amount is %d' % amount)
self.send_ack()
self.events.append({
'id_trx': 0,
'count': 1,
'value': amount,
'total_amount': total_summ,
'sleep_time': self.sleep_time
})
except:
pass
self.logger.debug('[Cashcode_T1500]: run stop operations')
self.disconnect()
def pop_message(self):
if not len(self.events):
return False
return self.events.pop(0)
def _running(self, timeout):
timestamp = int(time.time())
if not self.running:
self.logger.debug("Acceptor thread stopped by flag")
return False
if timeout > 0 and timestamp - self.last_action > timeout:
self.logger.debug("Acceptor thread stopped by timeout")
#print "timestamp: %s, last_action: %s, timeout: %s" % (timestamp, self.last_action, timeout)
return False
return True
def __calc_crc(self, data):
crc = 0
for i in data:
crc = self.CRC_TABLE[(crc ^ i) & 0xFF] ^ (crc >> 8)
return crc
def _read_nbytes(self, length):
return str2bytes(self.serial.read(length))
def _read_byte(self):
return ord(self.serial.read(1))
#reads next 2 bytes (crc length)
def _read_crc(self):
return self._read_nbytes(2)
#reads response packey, verify crc, check header(sync, adr)
def _read_response(self):
header = self._read_nbytes(3)
try:
message = 'Header error. Is Cashcode connected to %s? Header is %s' % (
self.device, header)
if (header[0] <> self.p_sync or header[1] <> self.p_adr):
self.logger.debug(message)
raise AcceptorError(message=message, code=500)
except IndexError:
message = 'Header error. Header is %s' % (header)
self.logger.debug(message)
raise AcceptorError(message=message, code=500)
packet = self._read_nbytes(header[2] - 3 - 2)
crc = self._read_crc()
checkCrc = int2bytes(self.__calc_crc(header + packet))
if crc != checkCrc:
self.logger.debug(
'%s: _read_response. Crc not satisfied their=%s , my=%s' %
(self.__prefix, crc, checkCrc))
# self.logger.debug('%s: _read_response. response(len=%d) dec=%s, hex=%s ' % (self.__prefix, len(packet), packet, ints2hex(packet) ))
self.validate_statement(packet)
return packet
def free(self, t=0.02):
time.sleep(t)
''' ******* SEND COMMANDS ************ '''
def send_single_command(self, cmd, read_response=True):
packet = [self.p_sync, self.p_adr, 0x06, cmd]
packet = packet + int2bytes(self.__calc_crc(packet))
self.serial.write(serial.to_bytes(packet))
if read_response:
return self._read_response()
return True
def send_command(self, data, read_response=True):
packet = [self.p_sync, self.p_adr, 5 + len(data)] + data
packet = packet + int2bytes(self.__calc_crc(packet))
self.serial.write(serial.to_bytes(packet))
if read_response:
return self._read_response()
return True
def status(self):
return self.check_status()
''' ******* EXACT COMMANDS ************ '''
def check_status(self):
status_response = self.send_single_command(self.c_status, True)
self.logger.debug('%s: check_status: Status is "%s"' %
(self.__prefix, status_response))
self.send_ack()
return status_response
def poll(self):
return self.send_single_command(self.c_poll)
def full_reset(self):
self.logger.debug('%s: full_reset' % (self.__prefix))
return self.__is_ack(self.send_single_command(self.c_reset))
''' ******** ALIASES ************** '''
def init_bill_types(self, b1, b2, b3, b4, b5, b6):
init_response = self.send_command(
[self.c_bill_types, b3, b2, b1, b6, b5, b4])
self.logger.debug('%s: init_bill_types: Result is "%s"' %
(self.__prefix, init_response))
self.free()
self.logger.debug('%s: init_bill_types: poll' % (self.__prefix))
self.poll()
self.free()
self.send_ack()
self.wait(wait=[self.r_idling], skip=[self.r_initialize])
return True
def enable_bill_types(self):
self.logger.debug(
'[Cashcode_t1500->enable_bill_types]: Enable bill types')
bills = 0
for i in range(2, 8):
bills = bills | 1 << i
return self.init_bill_types(bills, 0, 0, 0, 0, 0)
def disable_bill_types(self):
return self.init_bills(0, 0, 0, 0, 0, 0)
def receive_start(self, timeout=10):
self.logger.debug('%s: Starting receive of banknotes.' % self.__prefix)
self.last_action = time.time()
if (not self.enable_bill_types()):
raise Exception(
'[Cashcode_t1500->receive_start]: Bill types was not setuped')
while self._running(timeout):
response = self.wait(wait=[self.re_stacked],
skip=[
self.r_idling, self.r_initialize,
self.r_accepting, self.r_stacking
])
try:
amount = self.bill_types[response[1]]
self.logger.debug('Response is %s' % response)
self.logger.debug('Accepted amount is %d' % amount)
self.send_ack()
return amount
except:
pass
return 0
def receive_commit(self):
response = self.send_ack()
self.logger.debug('%s: commit result is %s' %
(self.__prefix, response))
def receive_rollback(self):
response = self.send_single_command(self.c_return, read_response=True)
self.logger.debug('%s: eject result is %s' % (self.__prefix, response))
def send_ack(self):
return self.send_single_command(self.p_ack, False)
def send_nck(self):
return self.send_single_command(self.p_nck, False)
def bill_table(self):
response = self.send_single_command(self.c_bill_table)
for i in range(0, 23):
bytes = response[i * 5:i * 5 + 5]
print 'bytes: %s, %s' % (bytes, byte2str(bytes[1:4]))
def __is_ack(self, data):
return len(data) == 1 and data[0] == self.p_ack
def __is_nck(self, data):
return len(data) == 1 and data[0] == self.p_nck
def _stacked_handler(self):
pass
def _rejected_handler(self):
pass
def wait(self, wait=[], skip=[], timeout=10):
self.logger.debug('[Cashcode_t1500->wait] start waiting %s' % timeout)
while self._running(timeout):
response = self.poll()
if (response[0] in wait):
self.logger.debug('Normal response waited')
return response
if (response[0] in skip):
self.validate_statement(response)
continue
message = "[Cashcode_t1500->wait(%s, %s, %s)] got=%s" % (
wait, skip, timeout, response)
self.logger.debug(message)
raise AcceptorError(message, response)
self.free(.2)
def validate_statement(self, packet):
if packet == [self.r_power_up]:
self.logger.debug('State is POWER_UP')
return
if packet == [self.r_accepting]:
self.logger.debug('State is ACCEPTING')
return
if packet == [self.r_stacking]:
self.logger.debug('State is STACKING')
return
if packet == [self.rj_reject, self.e_insertation]:
self.logger.debug(
'State is Error. Details: [rj_reject, e_insertation]')
return
def validate_dispense_response(self, response_frame):
logger = Logger()
logger.debug('Dispenser_LCDM4000: validate "Dispense" response frame %s' % (["0x%02X" % x for x in response_frame]))
template = {
'status' : False,
'error_cause' : response_frame[4],
'miss' : response_frame[5],
'upper_exit_requested_1' : response_frame[6] - 0x20,
'upper_exit_requested_10' : 0,
'upper_chk_requested_1' : response_frame[6] - 0x20,
'upper_chk_requested_10' : 0,
'upper_rejects_1' : chr(response_frame[7] - 0x20),
'upper_rejects_10' : 0,
'type_1' : chr(response_frame[8]),
'm_upper_exit_requested_1' : response_frame[9] - 0x20,
'm_upper_exit_requested_10' : 0,
'm_upper_chk_requested_1' : response_frame[9] - 0x20,
'm_upper_chk_requested_10' : 0,
'm_upper_rejects_1' : chr(response_frame[10] - 0x20),
'm_upper_rejects_10' : 0,
'type_2' : chr(response_frame[11]),
'm_lower_exit_requested_1' : response_frame[12] - 0x20,
'm_lower_exit_requested_10' : 0,
'm_lower_chk_requested_1' : response_frame[12] - 0x20,
'm_lower_chk_requested_10' : 0,
'm_lower_rejects_1' : chr(response_frame[13] - 0x20),
'm_lower_rejects_10' : 0,
'type_3' : chr(response_frame[14]),
'lower_exit_requested_1' : response_frame[15] - 0x20,
'lower_exit_requested_10' : 0,
'lower_chk_requested_1' : response_frame[15] - 0x20,
'lower_chk_requested_10' : 0,
'lower_rejects_1' : chr(response_frame[16] - 0x20),
'lower_rejects_10' : 0,
'type_4' : chr(response_frame[17]),
'rsv' : 0,
'etx' : 0,
'bcc' : 0
}
for k,v in template.items():
logger.debug(' > %s => %s' % (k,v))
return template
if len(response_frame) == 21:
logger.debug('Allright. Len response_frame is 21')
else:
logger.debug('Allright. Len response_frame is %s. Frame is %s' % (len(response_frame), (["%02x" % x for x in response_frame]) ) )
for k, v in template.items():
logger.debug(" ]]] %s: %s" % (k, v))
return False
# Error while dispensing
if len(response_frame) == 7:
logger.debug('Dispenser_LCDM4000: len(response_frame) == 7')
return False
if len(response_frame) == 21:
return self.__validate_dispense_both_response(response_frame, template)
if response_frame[3] in [0x45, 0x55]:
return self.__validate_dispense_single_response(response_frame, template)
class DispenserAdapter:
DISPENSERS = {
'PULOON-LCDM1000' : {'class' : 'Dispenser_LCDM1000', 'path' : 'services.dispenser.dispensers.puloon_lcdm1000'},
'PULOON-LCDM2000' : {'class' : 'Dispenser_LCDM2000', 'path' : 'services.dispenser.dispensers.puloon_lcdm2000'},
'PULOON-LCDM4000' : {'class' : 'Dispenser_LCDM4000', 'path' : 'services.dispenser.dispensers.puloon_lcdm4000'}
}
serial = None # Serial Object
dispenser = None # Dispenser model implementation
def __init__(self, dispenser_model, port = False, baudrate = False, timeout = .6, parity = False):
if dispenser_model not in self.DISPENSERS:
raise DispenserError('%s is not supported. See DispenserController.DISPENSERS for available dispensers.')
self.logger = Logger()
self.dispenser = self.__import_class(
self.DISPENSERS[dispenser_model]['path'],
self.DISPENSERS[dispenser_model]['class']
)()
# Set data
if port:
self.dispenser.port = port
if baudrate:
self.dispenser.baudrate = baudrate
if timeout:
self.dispenser.timeout = timeout
if parity:
self.dispenser.parity = parity
@staticmethod
def __import_class(class_path, class_name):
try:
module = __import__(class_path, fromlist = '*')
return getattr(module, class_name)
except Exception as e:
message = "DispenserAdapter: Couldnt load class %s from path %s With error: %s" % (class_name, class_path, str(e.args))
if __debug__:
print message
raise ImportError(message)
def connect(self):
''' Connect to serial port '''
self.logger.debug('DispenserAdapter: port is %s' % self.dispenser.port)
self.logger.debug('DispenserAdapter: parity is %s' % self.dispenser.parity)
self.logger.debug('DispenserAdapter: baudrate is %s' % self.dispenser.baudrate)
self.logger.debug('DispenserAdapter: timeout is %s' % self.dispenser.timeout)
try:
self.serial = serial.serial_for_url(
self.dispenser.port,
self.dispenser.baudrate,
parity = self.dispenser.parity,
timeout = self.dispenser.timeout
)
except SerialException as e:
raise DispenserError('Error while connecting to dispenser', 500)
try:
self.status()
except:
pass
def status(self):
self.logger.debug('DispenserAdapter: get_status command received')
response = self.__send(
command = self.dispenser.command_status,
validator = self.dispenser.validate_status_response
)
self.__write( [self.dispenser.p_ack] )
if isinstance(self.dispenser, Dispenser_LCDM4000):
''' Read the EOT for LCDM4000 '''
try:
self.__read( timeout = .6 )
except Exception as e:
self.logger.debug('DispenserAdapter::status [forr Puloon_LCDM4000] error catched. [%s]' % str(e.args))
if not response:
return False
if 'status' in response:
self.logger.debug('DispenserAdapter: [CMD STATUS] result: %s' % response['status'])
self.logger.debug('DispenserAdapter: [CMD STATUS] info : %s' % response)
return response['status']
return False
def init(self):
self.logger.debug('DispenserAdapter: init command received')
response = self.__send(
command = self.dispenser.command_init,
validator = self.dispenser.validate_init_response
)
self.__write( [self.dispenser.p_ack] )
if isinstance(self.dispenser, Dispenser_LCDM4000):
''' Read the EOT for LCDM4000 '''
time.sleep(2.1)
# try:
# self.__read( timeout = .7 )
# except Exception as e:
# self.logger.debug('DispenserAdapter::init [for Puloon_LCDM4000] error catched. [%s]' % str(e.args))
self.logger.debug('DispenserAdapter: init finished with result %s' % bool(response))
if response:
return True
return False
def purge(self):
self.logger.debug('DispenserAdapter: purge command received')
response = self.__send(
command = self.dispenser.command_purge,
validator = self.dispenser.validate_purge_response
)
self.__write( [self.dispenser.p_ack] )
if isinstance(self.dispenser, Dispenser_LCDM4000):
''' Read the EOT for LCDM4000 '''
try:
self.__read( timeout = .6 )
except Exception as e:
self.logger.debug('DispenserAdapter::purge [for Puloon_LCDM4000] error catched. [%s]' % str(e.args))
if response:
if 'status' in response:
self.logger.debug('DispenserAdapter: [CMD PURGE] result: %s' % response['status'])
self.logger.debug('DispenserAdapter: [CMD PURGE] info : %s' % response)
return response['status']
return False
def dispense(self, amount, cassets_info):
''' Dispense the bills
amount:
amount to dispense
cassets_info:
Cassets infrormation in format {id_cassete : {'command' : 0x45, 'denomination' : 0, 'charging' : 100, 'position' : 'upper'},...}
'''
dispense_info = self.dispenser.get_dispense( amount, cassets_info )
command = None
self.logger.debug('DispenserAdapter: Starting dispense of amount %s' % amount)
# Amount is not dispensable
if dispense_info['to_dispense'] == amount:
raise DispenserError('Amount is not dispensable', 500)
if len(dispense_info['cassets']) > 1:
command = self.dispenser.command_dispense_several( cassets_info, dispense_info['cassets'] )
else:
id_cassete, banknotes_count = dispense_info['cassets'].popitem()
command = self.dispenser.command_dispense_single( cassets_info, id_cassete, banknotes_count )
response = self.__send(
command = command,
validator = self.dispenser.validate_dispense_response
)
if not response:
raise DispenserError('Error while dispensing (response from dispenser is None)', 500)
self.__write( [self.dispenser.p_ack] )
return response
def __send(self, command, validator = False):
if not self.serial:
raise DispenserError( 'Serial port is not opened' )
self.logger.debug('DispenserAdapter: send command in hex %s' % (["%02X" % x for x in command]))
''' Пишем, спим полсекундочки и читаем '''
self.logger.debug( '>> serial.write %s' % (["%02X" % x for x in command]) )
bytes_written = self.__write( command )
self.logger.debug( '>> serial.read' )
bytes_recd = self.__read( timeout = 1)
self.logger.debug( '>> serial.read done' )
if bytes_recd == [self.dispenser.p_nck]:
raise DispenserError('DispenserAdapter.__send: bytes_recd == NCK')
if bytes_recd == [self.dispenser.p_ack]:
self.logger.debug('DispenserAdapter.__send: bytes_recd == ACK')
bytes_recd = self.__read( timeout = 60)
readed = (["%02X" % x for x in bytes_recd])
else:
if isinstance(self.dispenser, Dispenser_LCDM4000):
self.logger.debug( "Dispenser instance is Dispenser_LCDM4000. F**k this!" )
if validator:
return validator(bytes_recd)
readed = (["%02X" % x for x in bytes_recd])
self.logger.debug('DispenserAdapter.__send [read from dispenser]: HEX is %s' % readed)
raise DispenserError('Shit hap in HEX: %s' % readed)
self.logger.debug('>> serial.read in HEX: %s' % readed)
# if isinstance(self.dispenser, Dispenser_LCDM4000):
# ''' Read the EOT for LCDM4000 '''
# try:
# self.__read( timeout = .5 )
# except Exception as e:
# self.logger.debug('DispenserAdapter::dispense [for Puloon_LCDM4000] error catched. [%s]' % str(e.args))
if validator:
return validator(bytes_recd)
self.logger.debug('DispenserAdapter: No validator presents. Return invalidated response.')
return bytes_recd
def __write(self, bytes):
return self.serial.write(serial.to_bytes(bytes))
def __read(self, timeout = 60):
time_start = time.time()
frame = []
data = ''
byte = self.serial.read(1)
data += byte
try:
first_byte = int(byte2hex( byte ), 16)
self.logger.debug('DispenserAdapter.__read: first byte is: 0x%02X' % first_byte)
if first_byte == self.dispenser.p_nck:
self.logger.debug('DispenserAdapter.__read: first byte is NCK')
return [self.dispenser.p_nck]
if first_byte == self.dispenser.p_ack:
self.logger.debug('DispenserAdapter.__read: first byte is: ACK')
return [self.dispenser.p_ack]
byte = self.serial.read(1)
data += byte
self.logger.debug('DispenserAdapter.__read: Wrong first byte in response 0x%02X' % first_byte )
self.logger.debug('DispenserAdapter.__read: Next byte in response is 0x%02X' % int(byte2hex( byte )) )
except Exception as e:
self.logger.debug('DispenserAdapter.__read: %s' % str(e.args) )
pass
self.logger.debug('DispenserAdapter.__read: first byte is detected')
while True:
if time.time() - time_start > timeout:
self.logger.debug('DispenserAdapter.__read: timeout to read. ')
for _, i in enumerate(serial.to_bytes(data)):
frame.append( int(byte2hex(i), 16) )
self.logger.debug('DispenserAdapter.__read: full dump of response: %s' % (["0x%02X" % x for x in frame]))
raise DispenserError(message = 'Timeout to read', code = 500)
try:
if int(byte2hex(byte), 16) == self.dispenser.p_etx:
break
except Exception as e:
self.logger.debug('Error in read cycle: %s' % str(e.args) )
time.sleep( .01 )
byte = self.serial.read(1)
data += byte
self.logger.debug('DispenserAdapter.__read: cycle is complete')
data += self.serial.read(1)
for _, i in enumerate(serial.to_bytes(data)):
frame.append( int(byte2hex(i), 16) )
self.logger.debug('DispenserAdapter.__read: full dump of response: [%s]' % ([x for x in frame]))
return frame
class OrderManager(object):
def __init__(self, exchangeClient, marketRulesManager, strategyManager):
self.exchangeClient = exchangeClient
self.marketRulesManager = marketRulesManager
self.strategyManager = strategyManager
self.shapeNewOrders = True
self.validateOrders = True
self.preventImmediateLimitOrder = True
self.liveOrderCache = {}
self.liveTradeCache = {}
self.log = Logger()
def setShapeNewOrders(self, shapeNewOrders):
self.shapeNewOrders = shapeNewOrders
def setValidateOrders(self, validateOrders):
self.validateOrders = validateOrders
def setPreventImmediateLimitOrder(self, preventImmediateLimitOrder):
self.preventImmediateLimitOrder = preventImmediateLimitOrder
def getLiveOrderCache(self):
return self.liveOrderCache
def getLiveTradeCache(self):
return self.liveTradeCache
def reset(self):
self.liveTradeCache = {}
self.liveOrderCache = {}
def storeOrder(self, order):
Db.Session().add(order)
# flush in order to generate db maintained sequence
Db.Session().flush()
# update internal reference only when we got new order_id
if not order.int_order_ref:
order.int_order_ref = Settings.ORDER_REFERENCE_PREFIX + str(order.order_id)
# track order updates in the cache.
o = Order()
o.setFromEntity(order)
self.liveOrderCache[order.order_id] = o
def _storeTrade(self, trade):
Db.Session().add(trade)
# flush in order to generate db maintained sequence
Db.Session().flush()
# track trade updates in the cache. if trade reached a final state, remove it from the cache
t = orders.Trade.Trade()
t.setFromEntity(trade)
if not trade.trade_id in self.liveTradeCache:
self.liveTradeCache[trade.trade_id] = t
else:
if trade.trade_state in TradeStateMapper.getDbValue([TradeState.CLOSED, TradeState.CLOSE_FAILED, TradeState.OPEN_FAILED]):
self.liveTradeCache.pop(trade.trade_id, None)
# once trade is removed, clean also cache of corresponding trade orders
for orderKey in list(self.liveOrderCache.keys()):
if self.liveOrderCache[orderKey].getTradeId() == t.getTradeId():
self.liveOrderCache.pop(orderKey)
else:
self.liveTradeCache[trade.trade_id] = t
def closeTrade(self, trade, closeTmstmp):
self.log.info('Trade ' + str(trade.trade_id) + ' CLOSED.')
trade.trade_state = TradeStateMapper.getDbValue(TradeState.CLOSED)
trade.close_tmstmp = closeTmstmp
# notify strategy about the closed trade
self.strategyManager.getStrategy(trade.strategy_exec_id).tradeClosed(trade.trade_id)
self._calcTradePerf(trade)
def _calcTradePerf(self, trade):
orders = TradeManager.getAllOrders(tradeId = trade.trade_id, orderState = OrderStateMapper.getDbValue(OrderState.FILLED))
buyPrice = Decimal(0.0)
sellPrice = Decimal(0.0)
for order in orders:
if order.order_side == OrderSideMapper.getDbValue(OrderSide.BUY):
buyPrice += order.qty * Decimal(order.price)
else:
sellPrice += order.qty * Decimal(order.price)
diff = sellPrice - buyPrice
rules = self.marketRulesManager.getSymbolRules(trade.base_asset, trade.quote_asset)
if diff < 0:
color = Style.BRIGHT + Fore.LIGHTWHITE_EX + Back.RED
else:
color = Style.BRIGHT + Fore.LIGHTWHITE_EX + Back.GREEN
self.log.info(color + 'Gain: ' + str(('{:.' + str(rules.quoteAssetPrecision) + 'f}').format(diff)) + Style.RESET_ALL)
def processOrderUpdate(self, orderResponse):
# update order in the database based on the update response
order = TradeManager.getOrder(intOrderRef = orderResponse.getClientOrderId())
order.order_state = OrderStateMapper.getDbValue(orderResponse.getOrderState())
order.lst_upd_tmstmp = datetime.now()
if orderResponse.getOrderState() == OrderState.OPENED:
order.open_tmstmp = orderResponse.getOrderTmstmp()
if orderResponse.getOrderState() == OrderState.FILLED:
self.log.debug('Order ' + str(order.order_id) + ' FILLED.')
order.filled_tmstmp = orderResponse.getOrderTmstmp()
if orderResponse.getOrderState() == OrderState.CANCELED:
self.log.debug('Order ' + str(order.order_id) + ' CANCELLED.')
# update trade in the database based on the state of orders
trade = TradeManager.getTrade(tradeId = order.trade_id)
if trade.trade_type == TradeTypeMapper.getDbValue(TradeType.LONG):
# open trade when first confirmed BUY is received
if orderResponse.getOrderSide() == OrderSide.BUY and \
orderResponse.getOrderState() == OrderState.OPENED and \
trade.trade_state == TradeStateMapper.getDbValue(TradeState.OPEN_PENDING):
trade.trade_state = TradeStateMapper.getDbValue(TradeState.OPENED)
trade.open_tmstmp = orderResponse.getOrderTmstmp()
# close trade when no pending order is left
elif orderResponse.getOrderState() in [OrderState.CANCELED, OrderState.REJECTED, OrderState.EXPIRED]:
openOrders = TradeManager.getPendOrders(trade.trade_id)
if len(openOrders) == 0:
self.closeTrade(trade, orderResponse.getOrderTmstmp())
# handle closing of the trade based on the defined strategy
elif orderResponse.getOrderState() == OrderState.FILLED:
tradeCloseType = self.strategyManager.getStrategy(trade.strategy_exec_id).getTradeCloseType()
TradeCloseStrategy.evalTradeClose(tradeCloseType, trade, orderResponse, self)
else:
raise Exception('Short trades not supported!')
self.storeOrder(order)
self._storeTrade(trade)
def _validateOrders(self, baseAsset, quoteAsset, orders):
rules = self.marketRulesManager.getSymbolRules(baseAsset, quoteAsset)
for order in orders:
qty = order.getQty()
if qty < rules.minQty:
raise Exception('Quantity is less than minimum quantity! Qty [' + str(qty) + '], minQty [' + str(rules.minQty) + ']')
if qty > rules.maxQty:
raise Exception('Quantity is greater than maximum quantity! Qty [' + str(qty) + '], maxQty [' + str(rules.maxQty) + ']')
if (qty - rules.minQty) % rules.minQtyDenom != 0:
raise Exception('Quantity is not multiply of denomination! qty [' + str(qty) + '], minQty [' + str(rules.minQty) + '], minDenom [' + str(rules.minQtyDenom) + ']')
price = order.getPrice()
if price:
if price < rules.minPrice:
raise Exception('Price is less than minimum price! Price [' + str(price) + '], minPrice [' + str(rules.minPrice) + ']')
if price > rules.maxPrice:
raise Exception('Price is greater than maximum price! Price [' + str(price) + '], maxPrice [' + str(rules.maxPrice) + ']')
if (price - rules.minPrice) % rules.minPriceDenom != 0:
raise Exception('Price is not multiply of denomination! Price [' + str(price) + '], minPrice [' + str(rules.minPrice) + '], minDenom [' + str(rules.minPriceDenom) + ']')
if price * qty < rules.minNotional:
raise Exception('Quantity and price is less than minimum notional value! Qty [' + str(qty) + '], price [' + str(price) + '], minNotional [' + str(rules.minNotional) + ']')
stopPrice = order.getStopPrice()
if stopPrice:
if stopPrice < rules.minPrice:
raise Exception('Stop price is less than minimum price! Stop price [' + str(stopPrice) + '], minPrice [' + str(rules.minPrice) + ']')
if stopPrice > rules.maxPrice:
raise Exception('Stop price is greater than maximum price! Stop price [' + str(stopPrice) + '], maxPrice [' + str(rules.maxPrice) + ']')
if (stopPrice - rules.minPrice) % rules.minPriceDenom != 0:
raise Exception('Stop price is not multiply of denomination! Stop price [' + str(stopPrice) + '], minPrice [' + str(rules.minPrice) + '], minDenom [' + str(rules.minPriceDenom) + ']')
if stopPrice * qty < rules.minNotional:
raise Exception('Quantity and stop price is less than minimum notional value! Qty [' + str(qty) + '], stop price [' + str(stopPrice) + '], minNotional [' + str(rules.minNotional) + ']')
return True
def _validateImmediateLimitOrder(self, candle, orders):
for order in orders:
if order.getOrderSide() == OrderSide.BUY:
if order.getOrderType() == OrderType.LIMIT and order.getPrice() >= candle.getClose():
raise Exception("LIMIT BUY order will be executed immediately! Order price [" + str(order.getPrice()) + "], market price [" + str(candle.getClose()) + "]")
if order.getOrderType() in [OrderType.STOP_LOSS_LIMIT, OrderType.STOP_LOSS_MARKET] and order.getStopPrice() <= candle.getClose():
raise Exception("STOP LOSS BUY order will be executed immediately! Order stop price [" + str(order.getStopPrice()) + "], market price [" + str(candle.getClose()) + "]")
if order.getOrderType() in [OrderType.TAKE_PROFIT_LIMIT, OrderType.TAKE_PROFIT_MARKET] and order.getStopPrice() >= candle.getClose():
raise Exception("TAKE PROFIT BUY order will be executed immediately! Order stop price [" + str(order.getStopPrice()) + "], market price [" + str(candle.getClose()) + "]")
if order.getOrderSide() == OrderSide.SELL:
if order.getOrderType() == OrderType.LIMIT and order.getPrice() <= candle.getClose():
raise Exception("LIMIT SELL order will be executed immediately! Order price [" + str(order.getPrice()) + "], market price [" + str(candle.getClose()) + "]")
if order.getOrderType() in [OrderType.STOP_LOSS_LIMIT, OrderType.STOP_LOSS_MARKET] and order.getStopPrice() >= candle.getClose():
raise Exception("STOP LOSS SELL order will be executed immediately! Order stop price [" + str(order.getStopPrice()) + "], market price [" + str(candle.getClose()) + "]")
if order.getOrderType() in [OrderType.TAKE_PROFIT_LIMIT, OrderType.TAKE_PROFIT_MARKET] and order.getStopPrice() <= candle.getClose():
raise Exception("TAKE PROFIT SELL order will be executed immediately! Order stop price [" + str(order.getStopPrice()) + "], market price [" + str(candle.getClose()) + "]")
def _shapeValue(self, value, minVal, minDenom, precision):
self.log.debug('Shaping value [' + str(value) + '], minVal [' + str(minVal) + '], minDenom [' + str(minDenom) + '], precision [' + str(precision) + ']')
ret = Decimal(minVal) + Decimal(minDenom) * Decimal((Decimal(value) - Decimal(minVal)) / Decimal(minDenom)).quantize(Decimal('1'), rounding = ROUND_DOWN)
#ret = Decimal(ret).quantize(Decimal('10') ** -precision)
self.log.debug('Shaped value [' + str(ret) + ']')
return ret
def _shapeOrders(self, baseAsset, quoteAsset, orders):
rules = self.marketRulesManager.getSymbolRules(baseAsset, quoteAsset)
for order in orders:
if order.getQty():
self.log.debug('Shaping quantity')
order.setQty(self._shapeValue(order.getQty(), rules.minQty, rules.minQtyDenom, rules.baseAssetPrecision))
if order.getPrice():
self.log.debug('Shaping price')
order.setPrice(self._shapeValue(order.getPrice(), rules.minPrice, rules.minPriceDenom, rules.quoteAssetPrecision))
if order.getStopPrice():
self.log.debug('Shaping stop price')
order.setStopPrice(self._shapeValue(order.getStopPrice(), rules.minPrice, rules.minPriceDenom, rules.quoteAssetPrecision))
def openTrade(self, strategyExecId, tradeType, candle):
trade = Trade()
trade.strategy_exec_id = strategyExecId
trade.base_asset = candle.getBaseAsset()
trade.quote_asset = candle.getQuoteAsset()
trade.init_tmstmp = candle.getCloseTime()
trade.trade_state = TradeStateMapper.getDbValue(TradeState.OPEN_PENDING)
trade.trade_type = TradeTypeMapper.getDbValue(tradeType)
self._storeTrade(trade)
return trade
def openOrder(self, trade, candle, orders):
self.log.debug('Orders to be created: ' + str(len(orders)))
# adjust quantity and price such that it meets market rules
if self.shapeNewOrders:
self._shapeOrders(candle.getBaseAsset(), candle.getQuoteAsset(), orders)
# validate orders before sending them to the exchange
if self.validateOrders:
self._validateOrders(candle.getBaseAsset(), candle.getQuoteAsset(), orders)
# make sure that limit orders are not executed immediately
if self.preventImmediateLimitOrder:
self._validateImmediateLimitOrder(candle, orders)
for order in orders:
try:
dbOrder = Orders()
dbOrder.trade_id = trade.trade_id
dbOrder.qty = order.getQty()
dbOrder.stop_price = order.getStopPrice()
if order.getOrderType() == OrderType.MARKET:
dbOrder.price = candle.getClose()
else:
dbOrder.price = order.getPrice()
dbOrder.order_side = OrderSideMapper.getDbValue(order.getOrderSide())
dbOrder.order_type = OrderTypeMapper.getDbValue(order.getOrderType())
dbOrder.order_state = OrderStateMapper.getDbValue(OrderState.OPEN_PENDING_INT)
dbOrder.init_tmstmp = candle.getCloseTime()
self.storeOrder(dbOrder)
# save the generated order id
order.setOrderId(dbOrder.order_id)
# save the order state (for print)
order.setOrderState(OrderState.OPEN_PENDING_INT)
self.log.info('Order: ' + str(order))
except:
self.log.error('Could not create order ' + str(order))
raise
def sendOrders(self, cretenExecDetlId):
ordersToBeSent = TradeManager.getAllOrders(cretenExecDetlId = cretenExecDetlId, orderState = OrderStateMapper.getDbValue([OrderState.OPEN_PENDING_INT, OrderState.CANCEL_PENDING_INT]))
for dbOrder in ordersToBeSent:
if dbOrder.order_state == OrderStateMapper.getDbValue(OrderState.OPEN_PENDING_INT):
try:
order = Order()
order.setFromEntity(dbOrder)
self.log.debug('Processing order [' + str(order) + ']')
trade = TradeManager.getTrade(tradeId = dbOrder.trade_id)
rules = self.marketRulesManager.getSymbolRules(trade.base_asset, trade.quote_asset)
qty = ('{:.' + str(rules.baseAssetPrecision) + 'f}').format(order.getQty())
price = ('{:.' + str(rules.quoteAssetPrecision) + 'f}').format(order.getPrice()) if order.getPrice() else None
stopPrice = ('{:.' + str(rules.quoteAssetPrecision) + 'f}').format(order.getStopPrice()) if order.getStopPrice() else None
self.log.debug('Values to be sent: qty [' + str(qty) + '], price [' + str(price) + '], stop price [' + str(stopPrice) + ']')
response = self.exchangeClient.createOrder(order.getOrderSide(), order.getOrderType(),
trade.base_asset, trade.quote_asset, qty,
stopPrice, price, order.getIntOrderRef())
self.log.debug('Response: ' + str(response.getRawData()))
if not response.getOrderState() in [OrderState.OPENED, OrderState.FILLED]:
raise Exception('Unexpected response received for order [' + str(order) + ']! Expected state [' + str([OrderState.OPENED, OrderState.FILLED]) + '], received [' + str(response.getOrderState()) + ']')
if order.getOrderType() == OrderType.MARKET:
dbOrder.price = response.getPrice()
dbOrder.ext_order_ref = response.getExtOrderRef()
dbOrder.order_state = OrderStateMapper.getDbValue(OrderState.OPEN_PENDING_EXT)
self.storeOrder(dbOrder)
except:
self.log.error('Error while creating orders!')
dbOrder.order_state = OrderStateMapper.getDbValue(OrderState.OPEN_FAILED)
self.storeOrder(dbOrder)
raise
elif dbOrder.order_state == OrderStateMapper.getDbValue(OrderState.CANCEL_PENDING_INT):
try:
order = Order()
order.setFromEntity(dbOrder)
self.log.debug('Cancelling order [' + str(order) + ']')
trade = TradeManager.getTrade(tradeId = dbOrder.trade_id)
response = self.exchangeClient.cancelOrder(baseAsset = trade.base_asset, quoteAsset = trade.quote_asset, clientOrderId = order.getIntOrderRef())
self.log.debug('Response: ' + str(response.getRawData()))
if not response.getOrderState() in [OrderState.OPENED]:
raise Exception('Unexpected response received for order [' + str(order) + ']! Expected state [' + str([OrderState.OPENED, OrderState.FILLED]) + '], received [' + str(response.getOrderState()) + ']')
dbOrder.ext_order_ref = response.getExtOrderRef()
dbOrder.order_state = OrderStateMapper.getDbValue(OrderState.CANCEL_PENDING_EXT)
self.storeOrder(dbOrder)
except:
self.log.error('Error while cancelling orders!')
dbOrder.order_state = OrderStateMapper.getDbValue(OrderState.CANCEL_FAILED)
self.storeOrder(dbOrder)
raise
else:
raise Exception('Creating orders for unsupporterd order state!')
# TODO
def init(self):
pass
class ExchangeClient(object):
__metaclass__ = ABCMeta
def __init__(self, exchangeConfigPath):
self.log = Logger(logForceDebug=False)
self.exchangeConf = None
if exchangeConfigPath:
self.log.info('')
self.log.info("Loading exchange configuration file '" +
exchangeConfigPath + "'")
if not os.path.isfile(exchangeConfigPath):
raise Exception(
"Exchange configuration file could not be loaded. '" +
os.path.realpath(exchangeConfigPath) +
"' does not correspond to a valid file.")
with open(os.path.realpath(exchangeConfigPath)) as myfile:
self.exchangeConf = json.loads(myfile.read())
jsonschema.validate(self.exchangeConf,
self.getExchangeConfigSchema())
else:
self.log.debug("No exchange configuration file provided.")
def updateSymbolRuleFromConfig(self, symbolRule):
rules = None
if self.exchangeConf and "marketRules" in self.exchangeConf:
for marketRule in self.exchangeConf['marketRules']:
if marketRule['baseAsset'] + marketRule[
'quoteAsset'] == symbolRule.symbol:
rules = marketRule
if rules:
self.log.info('Updating market rules from configuration file')
try:
symbolRule.baseAssetPrecision = rules['baseAssetPrecision']
self.log.debug('baseAssetPrecision updated')
except KeyError:
pass
try:
symbolRule.quoteAssetPrecision = rules['quoteAssetPrecision']
self.log.debug('quoteAssetPrecision updated')
except KeyError:
pass
try:
symbolRule.minPrice = rules['minPrice']
self.log.debug('minPrice updated')
except KeyError:
pass
try:
symbolRule.maxPrice = rules['maxPrice']
self.log.debug('maxPrice updated')
except KeyError:
pass
try:
symbolRule.minPriceDenom = rules['minPriceDenom']
self.log.debug('minPriceDenom updated')
except KeyError:
pass
try:
symbolRule.minQty = rules['minQty']
self.log.debug('minQty updated')
except KeyError:
pass
try:
symbolRule.maxQty = rules['maxQty']
self.log.debug('maxQty updated')
except KeyError:
pass
try:
symbolRule.minQtyDenom = rules['minQtyDenom']
self.log.debug('minQtyDenom updated')
except KeyError:
pass
try:
symbolRule.minNotional = rules['minNotional']
self.log.debug('minNotional updated')
except KeyError:
pass
def getExchangeConfigSchema(self):
return ExchangeConfigSchema.schema
@abstractmethod
def getRawClient(self):
pass
@abstractmethod
def getCandles(self,
pair,
interval,
limit=None,
startTime=None,
endTime=None):
pass
@abstractmethod
def getExchangeInfo(self, symbols=None):
pass
@abstractmethod
def getPortfolio(self):
pass
@abstractmethod
def createOrder(self, orderSide, orderType, baseAsset, quoteAsset, qty,
stopPrice, price, clientOrderId):
pass
@abstractmethod
def cancelOrder(self,
baseAsset,
quoteAsset,
clientOrderId=None,
extOrderRef=None):
pass
Settings.client['DB_CONNECTION']['DB'],
True if args['loglevel'] == 'debugalll' else False)
# must be imported after db session has been initialised
from db_entities.CretenExec import CretenExec
from db_entities.CretenExecDetl import CretenExecDetl
from db_entities.StrategyExec import StrategyExec
from strategy.StrategyPerformance import StrategyPerformance
log = Logger()
logging.info('')
with Db.session_scope():
cretenExecs = Db.Session().query(CretenExec.creten_exec_id).order_by(desc(CretenExec.creten_exec_id)).limit(args['count']).all()
log.debug('Executions to be evaluated: ' + str(cretenExecs))
strategyExecs = Db.Session().query(StrategyExec).filter(CretenExecDetl.creten_exec_id.in_([x[0] for x in cretenExecs]),
CretenExecDetl.creten_exec_detl_id == StrategyExec.creten_exec_detl_id).order_by(desc(StrategyExec.strategy_exec_id)).all()
f = None
if args['file']:
f = open('Crestat_{0}.log'.format(datetime.datetime.now().strftime('%Y%m%d%H%M%S')), 'w')
t = PrettyTable()
t.field_names = ['SEI', 'Trades', 'Won', 'Lost', 'Won [%]', 'Gain', 'Loss', 'Gross profit', 'Gain/Loss',
'Avg gain', 'Max gain', 'Avg loss', 'Max loss', 'Avg trade length', 'Max trade length']
if args['file']:
f.write(';'.join(t.field_names) + '\n')
class Dispenser:
''' Configuration '''
port = '/dev/ttyUSB'
baudrate = 9600
timeout = 1
data_bits = 8 # 8 bits
stop_bits = 1 # 1 bit
parity = serial.PARITY_NONE # No parity
bps = 3.5 # Banknotes per second
''' Limits for dispensing '''
dispense_limit_single_10 = 6
dispense_limit_single_1 = 9
dispense_limit_both_10 = 6
dispense_limit_both_1 = 9
dispense_limit = 60 # Limit banknotes count for dispensing from 1 cassete
''' PROTOCOL > CONSTANTS '''
p_soh = 0x01 # Start of Header
p_stx = 0x02 # Start of Text
p_etx = 0x03 # End of Text
p_eot = 0x04 # Start of Transmission
p_ack = 0x06 # ACK
p_nck = 0x15 # NCK
p_id = 0x50 # Communication ID
p_bcc = 0x00 # Block Check Character: BCC can be gotten through Exclusive-OR (XOR) from the start of each message to ETX
@staticmethod
def get_cassete_by_denomination(cassets, denomination):
for id_cassete, cassete_info in cassets.items():
if cassete_info['denomination'] == denomination:
return id_cassete
return -1
def get_dispense(self, amount, cassets_info):
self.logger = Logger()
'''
Method calculates cash dispensing between cassets
amount:
Amount to dispense
cassets_info:
Cassets infrormation in format {id_cassete : {'command' : 0x45, 'denomination' : 0, 'charging' : 100, 'position' : 'upper'},...}
return {
'to_dispense' : 5,
'cassets' : {
0 : {'amount' : 100, 'count' : 10, 'denomination' : 10},
1 : {'amount' : 1000, 'count' : 10, 'denomination' : 100},
...
}
}
'''
dispense = {'to_dispense': amount, 'cassets': {}}
# Dynamic cassets information
cassets = ([cassete_info['denomination'] for cassete_info in cassets_info.values()])
cassets.sort()
while dispense['to_dispense'] > 0 and len( cassets ):
self.logger.debug('[DISPENSER]: Amount to dispense: %s' % dispense['to_dispense'])
self.logger.debug('[DISPENSER]: Next cassets are available: %s' % cassets_info)
# select max denomination
denomination = cassets.pop()
self.logger.debug( '[DISPENSER]: selected denomination: %s' % denomination )
id_cassete = self.get_cassete_by_denomination( cassets_info, denomination )
# if no available cassets
if id_cassete == -1:
self.logger.debug('[DISPENSER]: no more cassets are available to dispense amount %s' % dispense['to_dispense'])
continue
# check count of banknotes
banknotes_count = min(
int( dispense['to_dispense'] * 1. / denomination ), # Count of full-dispensing
cassets_info[id_cassete]['charging'], # Count of available banknotes
self.dispense_limit # Dispenser limit
)
# If no more banknotes
if not banknotes_count:
self.logger.debug( '[DISPENSER]: no such banknotes in cassete #%d' % id_cassete )
continue
self.logger.debug( '[DISPENSER]: from selected cassete #%d will exit %d banknotes with denomination %d' % (id_cassete, banknotes_count, denomination) )
dispense['cassets'][id_cassete] = banknotes_count
dispense['to_dispense'] -= banknotes_count * denomination
return dispense
def validate_dispense_response(self, response_frame):
logger = Logger()
logger.debug(
'Dispenser_LCDM4000: validate "Dispense" response frame %s' %
(["0x%02X" % x for x in response_frame]))
template = {
'status': False,
'error_cause': response_frame[4],
'miss': response_frame[5],
'upper_exit_requested_1': response_frame[6] - 0x20,
'upper_exit_requested_10': 0,
'upper_chk_requested_1': response_frame[6] - 0x20,
'upper_chk_requested_10': 0,
'upper_rejects_1': chr(response_frame[7] - 0x20),
'upper_rejects_10': 0,
'type_1': chr(response_frame[8]),
'm_upper_exit_requested_1': response_frame[9] - 0x20,
'm_upper_exit_requested_10': 0,
'm_upper_chk_requested_1': response_frame[9] - 0x20,
'm_upper_chk_requested_10': 0,
'm_upper_rejects_1': chr(response_frame[10] - 0x20),
'm_upper_rejects_10': 0,
'type_2': chr(response_frame[11]),
'm_lower_exit_requested_1': response_frame[12] - 0x20,
'm_lower_exit_requested_10': 0,
'm_lower_chk_requested_1': response_frame[12] - 0x20,
'm_lower_chk_requested_10': 0,
'm_lower_rejects_1': chr(response_frame[13] - 0x20),
'm_lower_rejects_10': 0,
'type_3': chr(response_frame[14]),
'lower_exit_requested_1': response_frame[15] - 0x20,
'lower_exit_requested_10': 0,
'lower_chk_requested_1': response_frame[15] - 0x20,
'lower_chk_requested_10': 0,
'lower_rejects_1': chr(response_frame[16] - 0x20),
'lower_rejects_10': 0,
'type_4': chr(response_frame[17]),
'rsv': 0,
'etx': 0,
'bcc': 0
}
for k, v in template.items():
logger.debug(' > %s => %s' % (k, v))
return template
if len(response_frame) == 21:
logger.debug('Allright. Len response_frame is 21')
else:
logger.debug('Allright. Len response_frame is %s. Frame is %s' %
(len(response_frame),
(["%02x" % x for x in response_frame])))
for k, v in template.items():
logger.debug(" ]]] %s: %s" % (k, v))
return False
# Error while dispensing
if len(response_frame) == 7:
logger.debug('Dispenser_LCDM4000: len(response_frame) == 7')
return False
if len(response_frame) == 21:
return self.__validate_dispense_both_response(
response_frame, template)
if response_frame[3] in [0x45, 0x55]:
return self.__validate_dispense_single_response(
response_frame, template)
class MarketRulesManager(object):
def __init__(self, exchangeClient):
self.exchangeClient = exchangeClient
self.symbolRules = {}
self.commission = 0.0
self.log = Logger(logForceDebug=False)
def init(self, symbols):
rules = self.exchangeClient.getExchangeInfo(symbols)
for rule in rules:
self.log.debug('Market rules for ' + str(rule.symbol) + ':')
self.log.debug('\tTrading status: ' + str(rule.status))
self.log.debug('\tQuote asset precision: ' +
str(rule.quoteAssetPrecision))
self.log.debug('\tBase asset precision: ' +
str(rule.baseAssetPrecision))
self.log.debug('\tOrder types: ' + str(rule.orderTypes))
self.log.debug('\tIceberg allowed: ' + str(rule.icebergAllowed))
self.log.debug('\tMin price: ' + str(rule.minPrice))
self.log.debug('\tMax price: ' + str(rule.maxPrice))
self.log.debug('\tMin price denomination: ' +
str(rule.minPriceDenom))
self.log.debug('\tMin quantity: ' + str(rule.minQty))
self.log.debug('\tMax quantity: ' + str(rule.maxQty))
self.log.debug('\tMin quantity denomination: ' +
str(rule.minQtyDenom))
self.log.debug('\tMin notional: ' + str(rule.minNotional))
self.symbolRules[rule.symbol] = rule
def getSymbolRules(self, baseAsset, quoteAsset):
return self.symbolRules[baseAsset + quoteAsset]
def setCommission(self, commission):
self.commission = commission
def getCommission(self):
return self.commission
class Dispenser:
''' Configuration '''
port = '/dev/ttyUSB'
baudrate = 9600
timeout = 1
data_bits = 8 # 8 bits
stop_bits = 1 # 1 bit
parity = serial.PARITY_NONE # No parity
bps = 3.5 # Banknotes per second
''' Limits for dispensing '''
dispense_limit_single_10 = 6
dispense_limit_single_1 = 9
dispense_limit_both_10 = 6
dispense_limit_both_1 = 9
dispense_limit = 60 # Limit banknotes count for dispensing from 1 cassete
''' PROTOCOL > CONSTANTS '''
p_soh = 0x01 # Start of Header
p_stx = 0x02 # Start of Text
p_etx = 0x03 # End of Text
p_eot = 0x04 # Start of Transmission
p_ack = 0x06 # ACK
p_nck = 0x15 # NCK
p_id = 0x50 # Communication ID
p_bcc = 0x00 # Block Check Character: BCC can be gotten through Exclusive-OR (XOR) from the start of each message to ETX
@staticmethod
def get_cassete_by_denomination(cassets, denomination):
for id_cassete, cassete_info in cassets.items():
if cassete_info['denomination'] == denomination:
return id_cassete
return -1
def get_dispense(self, amount, cassets_info):
self.logger = Logger()
'''
Method calculates cash dispensing between cassets
amount:
Amount to dispense
cassets_info:
Cassets infrormation in format {id_cassete : {'command' : 0x45, 'denomination' : 0, 'charging' : 100, 'position' : 'upper'},...}
return {
'to_dispense' : 5,
'cassets' : {
0 : {'amount' : 100, 'count' : 10, 'denomination' : 10},
1 : {'amount' : 1000, 'count' : 10, 'denomination' : 100},
...
}
}
'''
dispense = {'to_dispense': amount, 'cassets': {}}
# Dynamic cassets information
cassets = ([
cassete_info['denomination']
for cassete_info in cassets_info.values()
])
cassets.sort()
while dispense['to_dispense'] > 0 and len(cassets):
self.logger.debug('[DISPENSER]: Amount to dispense: %s' %
dispense['to_dispense'])
self.logger.debug('[DISPENSER]: Next cassets are available: %s' %
cassets_info)
# select max denomination
denomination = cassets.pop()
self.logger.debug('[DISPENSER]: selected denomination: %s' %
denomination)
id_cassete = self.get_cassete_by_denomination(
cassets_info, denomination)
# if no available cassets
if id_cassete == -1:
self.logger.debug(
'[DISPENSER]: no more cassets are available to dispense amount %s'
% dispense['to_dispense'])
continue
# check count of banknotes
banknotes_count = min(
int(dispense['to_dispense'] * 1. /
denomination), # Count of full-dispensing
cassets_info[id_cassete]
['charging'], # Count of available banknotes
self.dispense_limit # Dispenser limit
)
# If no more banknotes
if not banknotes_count:
self.logger.debug(
'[DISPENSER]: no such banknotes in cassete #%d' %
id_cassete)
continue
self.logger.debug(
'[DISPENSER]: from selected cassete #%d will exit %d banknotes with denomination %d'
% (id_cassete, banknotes_count, denomination))
dispense['cassets'][id_cassete] = banknotes_count
dispense['to_dispense'] -= banknotes_count * denomination
return dispense
Settings.client['DB_CONNECTION']['PORT'],
Settings.client['DB_CONNECTION']['DB'],
True if args['loglevel'] == 'debugalll' else False)
# following packages must be imported only after database initilization
from engines.BackTester import BackTester
from engines.RealTimeSimulator import RealTimeSimulator
from db_managers.ExecManager import ExecManager
if not os.path.isfile(args['inputconfig']):
raise Exception('Input configuration file could not be loaded. ' + os.path.realpath(args['inputconfig']) + " does not correspond to a valid file.")
with open(os.path.realpath(args['inputconfig'])) as myfile:
inputConf = myfile.read()
with Db.session_scope():
cretenExec = ExecManager.createCretenExec(args['mode'], inputConf)
cretenExecId = cretenExec.creten_exec_id
log = Logger()
log.debug("Creating exchange client...")
client = ExchangeClientFactory.getExchangeClient(args)
log.debug("Creating creten engine...")
if args['mode'] == PARAM_MODE_BACKTEST:
simulator = BackTester(client, inputConf, cretenExecId)
simulator.run()
elif args['mode'] == PARAM_MODE_REALTIMETEST:
simulator = RealTimeSimulator(client, inputConf, cretenExecId)
simulator.run()
class ExchangeEventSimulator(object):
def __init__(self, marketDataManager, orderManager, portfolioManager,
exchangeDataListener):
self.marketDataManager = marketDataManager
self.orderManager = orderManager
self.portfolioManager = portfolioManager
self.exchangeDataListener = exchangeDataListener
self.cretenExecDetlId = None
self.log = Logger(logPrefix='', logForceDebug=False)
# Comparator to evaluate order in which trade orders are evaluated
# Primary priority is order type and the priority is
# 1. market orders
# 2. stop loss market orders
# 3. stop loss limit orders
# 4. take profit market orders
# 5. take profit limit orders
# 6. limit orders
# Secondary priority depends on order type and side and is as follows:
# market => order_id
# stop loss sell market => stop price desc
# stop loss sell limit => stop price desc
# stop loss buy market => stop price
# stop loss buy limit => stop price
# take profit sell market => stop price
# take profit sell limit => stop price
# take profit buy market => stop price desc
# take profit buy limit => stop price desc
# limit => price
@staticmethod
def orderIterComp(order):
if order.getOrderType() == OrderType.MARKET:
primaryPrio = 1
secondaryPrio = order.getOrderId()
elif order.getOrderType(
) == OrderType.STOP_LOSS_MARKET and order.getOrderSide(
) == OrderSide.SELL:
primaryPrio = 2
secondaryPrio = -1 * order.getStopPrice()
elif order.getOrderType(
) == OrderType.STOP_LOSS_LIMIT and order.getOrderSide(
) == OrderSide.SELL:
primaryPrio = 3
secondaryPrio = -1 * order.getStopPrice()
elif order.getOrderType(
) == OrderType.STOP_LOSS_MARKET and order.getOrderSide(
) == OrderSide.BUY:
primaryPrio = 4
secondaryPrio = order.getStopPrice()
elif order.getOrderType(
) == OrderType.STOP_LOSS_LIMIT and order.getOrderSide(
) == OrderSide.BUY:
primaryPrio = 5
secondaryPrio = order.getStopPrice()
elif order.getOrderType(
) == OrderType.TAKE_PROFIT_MARKET and order.getOrderSide(
) == OrderSide.SELL:
primaryPrio = 6
secondaryPrio = order.getStopPrice()
elif order.getOrderType(
) == OrderType.TAKE_PROFIT_LIMIT and order.getOrderSide(
) == OrderSide.SELL:
primaryPrio = 7
secondaryPrio = order.getStopPrice()
elif order.getOrderType(
) == OrderType.TAKE_PROFIT_MARKET and order.getOrderSide(
) == OrderSide.BUY:
primaryPrio = 8
secondaryPrio = -1 * order.getStopPrice()
elif order.getOrderType(
) == OrderType.TAKE_PROFIT_LIMIT and order.getOrderSide(
) == OrderSide.BUY:
primaryPrio = 9
secondaryPrio = -1 * order.getStopPrice()
elif order.getOrderType() == OrderType.LIMIT:
primaryPrio = 10
secondaryPrio = order.getPrice()
else:
raise Exception("Unknown order type for order id " +
str(order.getOrderId()))
return primaryPrio, secondaryPrio
def simulateEvent(self, candle):
# Simulate events as long as there is a trade pending confirmation (opening, cancellation, ...). Several iterations
# might be required since in some cases new pending orders are produced within previous iteration
while True:
# Trade order cache has to be iterated via keys since its content may change on the fly (e.g. a filled trade can
# lead to cancellation of pending trades). Furthermore, the keys are ordered by priority (for more details
# see comparator description)
for orderKey in sorted(
self.orderManager.getLiveOrderCache().keys(),
key=lambda x: self.orderIterComp(self.orderManager.
getLiveOrderCache()[x])):
# Retrieving order from the cache has to be encapsulated in a try block since some orders could
# disappear during processing (e.g. when trade is closed)
try:
order = self.orderManager.getLiveOrderCache()[orderKey]
except KeyError:
break
trade = self._findTrade(order.getTradeId())
# always confirm new orders
if order.getOrderState() == OrderState.OPEN_PENDING_EXT:
self.log.debug('>>> [' + str(candle) + ']')
self.log.debug('Confirming order ' +
str(order.getOrderId()))
response = OrderResponse(
baseAsset=trade.getBaseAsset(),
quoteAsset=trade.getQuoteAsset(),
orderSide=order.getOrderSide(),
orderType=order.getOrderType(),
origQty=order.getQty(),
lastExecutedQty='0',
sumExecutedQty='0',
price=order.getPrice(),
orderState=OrderState.OPENED,
orderTmstmp=order.getInitTmstmp(),
clientOrderId=order.getIntOrderRef(),
extOrderRef=order.getIntOrderRef())
self.exchangeDataListener.processOrderUpdate(response)
# always cancel orders pending cancellation
if order.getOrderState() == OrderState.CANCEL_PENDING_EXT:
self.log.debug('>>> [' + str(candle) + ']')
self.log.debug('Cancelling order ' +
str(order.getOrderId()))
response = OrderResponse(
baseAsset=trade.getBaseAsset(),
quoteAsset=trade.getQuoteAsset(),
orderSide=order.getOrderSide(),
orderType=order.getOrderType(),
origQty=order.getQty(),
lastExecutedQty='0',
sumExecutedQty='0',
price=order.getPrice(),
orderState=OrderState.CANCELED,
orderTmstmp=candle.getCloseTime(),
clientOrderId=order.getIntOrderRef(),
extOrderRef=order.getIntOrderRef())
self.exchangeDataListener.processOrderUpdate(response)
# evaluate market orders
if order.getOrderState() == OrderState.OPENED and \
order.getOrderType() == OrderType.MARKET:
self.log.debug('>>> [' + str(candle) + ']')
self.log.debug('Filling market order ' +
str(order.getOrderId()))
response = OrderResponse(
baseAsset=trade.getBaseAsset(),
quoteAsset=trade.getQuoteAsset(),
orderSide=order.getOrderSide(),
orderType=order.getOrderType(),
origQty=order.getQty(),
lastExecutedQty=order.getQty(),
sumExecutedQty=order.getQty(),
price=order.getPrice(),
orderState=OrderState.FILLED,
orderTmstmp=order.getOpenTmstmp(),
clientOrderId=order.getIntOrderRef(),
extOrderRef=order.getIntOrderRef())
self.exchangeDataListener.processOrderUpdate(response)
self._updatePosition(response)
# evaluate limit orders
if order.getOrderState() == OrderState.OPENED and \
order.getOrderType() == OrderType.LIMIT and \
(
(order.getOrderSide() == OrderSide.SELL and candle.getUpperBody() >= order.getPrice()) or
(order.getOrderSide() == OrderSide.BUY and candle.getLowerBody() <= order.getPrice())
):
self.log.info('>>> [' + str(candle) + ']')
self.log.info('Filling limit order ' +
str(order.getOrderId()))
response = OrderResponse(
baseAsset=trade.getBaseAsset(),
quoteAsset=trade.getQuoteAsset(),
orderSide=order.getOrderSide(),
orderType=order.getOrderType(),
origQty=order.getQty(),
lastExecutedQty=order.getQty(),
sumExecutedQty=order.getQty(),
price=order.getPrice(),
orderState=OrderState.FILLED,
orderTmstmp=candle.getCloseTime(),
clientOrderId=order.getIntOrderRef(),
extOrderRef=order.getIntOrderRef())
self.exchangeDataListener.processOrderUpdate(response)
self._updatePosition(response)
# evaluate stop loss market/limit orders
if order.getOrderState() == OrderState.OPENED and \
order.getOrderType() in [OrderType.STOP_LOSS_LIMIT, OrderType.STOP_LOSS_MARKET] and \
(
(order.getOrderSide() == OrderSide.SELL and candle.getLow() <= order.getStopPrice()) or
(order.getOrderSide() == OrderSide.BUY and candle.getHigh() >= order.getStopPrice())
):
self.log.info('>>> [' + str(candle) + ']')
self.log.info('Filling stop loss order ' +
str(order.getOrderId()))
response = OrderResponse(
baseAsset=trade.getBaseAsset(),
quoteAsset=trade.getQuoteAsset(),
orderSide=order.getOrderSide(),
orderType=order.getOrderType(),
origQty=order.getQty(),
lastExecutedQty=order.getQty(),
sumExecutedQty=order.getQty(),
price=order.getStopPrice(),
orderState=OrderState.FILLED,
orderTmstmp=candle.getCloseTime(),
clientOrderId=order.getIntOrderRef(),
extOrderRef=order.getIntOrderRef())
self.exchangeDataListener.processOrderUpdate(response)
self._updatePosition(response)
# evaluate take profit market/limit orders
if order.getOrderState() == OrderState.OPENED and \
order.getOrderType() in [OrderType.TAKE_PROFIT_LIMIT, OrderType.TAKE_PROFIT_MARKET] and \
(
(order.getOrderSide() == OrderSide.SELL and candle.getLow() >= order.getStopPrice()) or
(order.getOrderSide() == OrderSide.BUY and candle.getHigh() <= order.getStopPrice())
):
self.log.info('>>> [' + str(candle) + ']')
self.log.info('Filling take profit order ' +
str(order.getOrderId()))
response = OrderResponse(
baseAsset=trade.getBaseAsset(),
quoteAsset=trade.getQuoteAsset(),
orderSide=order.getOrderSide(),
orderType=order.getOrderType(),
origQty=order.getQty(),
lastExecutedQty=order.getQty(),
sumExecutedQty=order.getQty(),
price=order.getStopPrice(),
orderState=OrderState.FILLED,
orderTmstmp=candle.getCloseTime(),
clientOrderId=order.getIntOrderRef(),
extOrderRef=order.getIntOrderRef())
self.exchangeDataListener.processOrderUpdate(response)
self._updatePosition(response)
# if there is no order pending confirmation, do not reiterate
if not self._existOrderPendingConf():
break
def setCretenExecDetlId(self, cretenExecDetlId):
self.cretenExecDetlId = cretenExecDetlId
def _existOrderPendingConf(self):
for order in self.orderManager.getLiveOrderCache().values():
if order.getOrderState() in [OrderState.OPEN_PENDING_EXT, OrderState.CANCEL_PENDING_EXT] or \
(order.getOrderState() == OrderState.OPENED and order.getOrderType() == OrderType.MARKET):
return True
return False
def _findTrade(self, tradeId):
for trade in self.orderManager.getLiveTradeCache().values():
if trade.getTradeId() == tradeId:
return trade
return None
def _updatePosition(self, orderResponse):
basePosition = self.portfolioManager.getPosition(
orderResponse.getBaseAsset())
quotePosition = self.portfolioManager.getPosition(
orderResponse.getQuoteAsset())
if orderResponse.getOrderSide() == OrderSide.BUY:
basePosition.setFree(basePosition.getFree() +
float(orderResponse.getOrigQty()))
quotePosition.setFree(quotePosition.getFree() -
float(orderResponse.getOrigQty() *
orderResponse.getPrice()))
else:
basePosition.setFree(basePosition.getFree() -
float(orderResponse.getOrigQty()))
quotePosition.setFree(quotePosition.getFree() +
float(orderResponse.getOrigQty() *
orderResponse.getPrice()))
self.exchangeDataListener.processPortfolioUpdate(basePosition)
self.exchangeDataListener.processPortfolioUpdate(quotePosition)
class ExchangeDataListener:
__metaclass__ = ABCMeta
def __init__(self, exchangeClient, marketDataManager, marketRulesManager,
portfolioManager, orderManager):
self.exchangeClient = exchangeClient
self.marketDataManager = marketDataManager
self.marketRulesManager = marketRulesManager
self.portfolioManager = portfolioManager
self.orderManager = orderManager
self.candleSubscriptions = []
self.candleListenerCallbackMap = {}
self.callbackPortfolio = None
self.callbackOrders = None
self.cretenExecDetlId = None
self.lock = RLock()
self.log = Logger()
@abstractmethod
def start(self):
pass
@abstractmethod
def parseCandleUpdate(self, msg):
pass
@abstractmethod
def parseOrderUpdate(self, msg):
pass
@abstractmethod
def parsePortfolioUpdate(self, msg):
pass
def setCretenExecDetlId(self, id):
self.cretenExecDetlId = id
def resetCandleListener(self):
self.candleSubscriptions = []
self.candleListenerCallbackMap = {}
def resetUserDataListener(self):
self.callbackPortfolio = None
self.callbackOrders = None
def registerCandleListener(self, pair, cretenInterval, callback):
self.candleSubscriptions.append(
CandleSubscriptionKey(pair, cretenInterval))
self.candleListenerCallbackMap[CandleSubscriptionKey(
pair, cretenInterval)] = makeList(callback)
def registerUserDataListener(self,
callbackPortfolio=None,
callbackOrders=None):
self.callbackPortfolio = makeList(callbackPortfolio)
self.callbackOrders = makeList(callbackOrders)
def processCandleUpdate(self, msg):
with self.lock:
self.log.debug('Candle message received: ' + str(msg))
try:
# 1. parse incoming message
candle = self.parseCandleUpdate(msg)
# 2. update market data manager
self.marketDataManager.processCandle(candle)
# 3. invoke custom callbacks
for callback in self.candleListenerCallbackMap[
CandleSubscriptionKey(
Pair(candle.getBaseAsset(),
candle.getQuoteAsset()),
candle.getInterval())]:
callback(candle)
Db.Session().commit()
except:
self.log.error('Candle processing failed! Msg [' + str(msg) +
']')
Db.Session().rollback()
raise
finally:
Db.Session.remove()
try:
# 4. create outbound orders
self.orderManager.sendOrders(self.cretenExecDetlId)
Db.Session().commit()
except:
self.log.error(
'Candle processing failed while generating outbound orders! Msg ['
+ str(msg) + ']')
Db.Session().rollback()
raise
finally:
Db.Session.remove()
def processOrderUpdate(self, msg):
with self.lock:
try:
orderResponse = self.parseOrderUpdate(msg)
# TODO verify that the order is incoming from this instance of creten
# process only orders originating from creten
if orderResponse.getClientOrderId(
)[:len(Settings.ORDER_REFERENCE_PREFIX
)] == Settings.ORDER_REFERENCE_PREFIX:
self.orderManager.processOrderUpdate(orderResponse)
if self.callbackOrders:
for callback in self.callbackOrders:
callback(orderResponse)
else:
self.log.info(
'Order message received for an order not originating from Creten. Msg ['
+ str(msg) + ']')
Db.Session().commit()
except:
self.log.error('Order update processing failed! Msg [' +
str(msg) + ']')
Db.Session().rollback()
raise
finally:
Db.Session.remove()
try:
# create outbound orders
self.orderManager.sendOrders(self.cretenExecDetlId)
Db.Session().commit()
except:
self.log.error(
'Order update processing failed while generating outbound orders! Msg ['
+ str(msg) + ']')
Db.Session().rollback()
raise
finally:
Db.Session.remove()
def processPortfolioUpdate(self, msg):
with self.lock:
try:
positions = self.parsePortfolioUpdate(msg)
for position in positions:
self.portfolioManager.addPosition(position)
if self.callbackPortfolio:
for callback in self.callbackPortfolio:
callback(position)
Db.Session().commit()
except:
self.log.error('Portfolio update processing failed! Msg [' +
str(msg) + ']')
Db.Session().rollback()
raise
finally:
Db.Session.remove()
class DispenserAdapter:
DISPENSERS = {
"PULOON-LCDM1000": {"class": "Dispenser_LCDM1000", "path": "services.dispenser.dispensers.puloon_lcdm1000"},
"PULOON-LCDM2000": {"class": "Dispenser_LCDM2000", "path": "services.dispenser.dispensers.puloon_lcdm2000"},
"PULOON-LCDM4000": {"class": "Dispenser_LCDM4000", "path": "services.dispenser.dispensers.puloon_lcdm4000"},
}
serial = None # Serial Object
dispenser = None # Dispenser model implementation
def __init__(self, dispenser_model, port=False, baudrate=False, timeout=0.6, parity=False):
if dispenser_model not in self.DISPENSERS:
raise DispenserError("%s is not supported. See DispenserController.DISPENSERS for available dispensers.")
self.logger = Logger()
self.dispenser = self.__import_class(
self.DISPENSERS[dispenser_model]["path"], self.DISPENSERS[dispenser_model]["class"]
)()
# Set data
if port:
self.dispenser.port = port
if baudrate:
self.dispenser.baudrate = baudrate
if timeout:
self.dispenser.timeout = timeout
if parity:
self.dispenser.parity = parity
@staticmethod
def __import_class(class_path, class_name):
try:
module = __import__(class_path, fromlist="*")
return getattr(module, class_name)
except Exception as e:
message = "DispenserAdapter: Couldnt load class %s from path %s With error: %s" % (
class_name,
class_path,
str(e.args),
)
if __debug__:
print message
raise ImportError(message)
def connect(self):
""" Connect to serial port """
self.logger.debug("DispenserAdapter: port is %s" % self.dispenser.port)
self.logger.debug("DispenserAdapter: parity is %s" % self.dispenser.parity)
self.logger.debug("DispenserAdapter: baudrate is %s" % self.dispenser.baudrate)
self.logger.debug("DispenserAdapter: timeout is %s" % self.dispenser.timeout)
try:
self.serial = serial.serial_for_url(
self.dispenser.port,
self.dispenser.baudrate,
parity=self.dispenser.parity,
timeout=self.dispenser.timeout,
)
except SerialException as e:
raise DispenserError("Error while connecting to dispenser", 500)
try:
self.status()
except:
pass
def status(self):
self.logger.debug("DispenserAdapter: get_status command received")
response = self.__send(command=self.dispenser.command_status, validator=self.dispenser.validate_status_response)
self.__write([self.dispenser.p_ack])
if isinstance(self.dispenser, Dispenser_LCDM4000):
""" Read the EOT for LCDM4000 """
try:
self.__read(timeout=0.6)
except Exception as e:
self.logger.debug("DispenserAdapter::status [forr Puloon_LCDM4000] error catched. [%s]" % str(e.args))
if not response:
return False
if "status" in response:
self.logger.debug("DispenserAdapter: [CMD STATUS] result: %s" % response["status"])
self.logger.debug("DispenserAdapter: [CMD STATUS] info : %s" % response)
return response["status"]
return False
def init(self):
self.logger.debug("DispenserAdapter: init command received")
response = self.__send(command=self.dispenser.command_init, validator=self.dispenser.validate_init_response)
self.__write([self.dispenser.p_ack])
if isinstance(self.dispenser, Dispenser_LCDM4000):
""" Read the EOT for LCDM4000 """
time.sleep(2.1)
# try:
# self.__read( timeout = .7 )
# except Exception as e:
# self.logger.debug('DispenserAdapter::init [for Puloon_LCDM4000] error catched. [%s]' % str(e.args))
self.logger.debug("DispenserAdapter: init finished with result %s" % bool(response))
if response:
return True
return False
def purge(self):
self.logger.debug("DispenserAdapter: purge command received")
response = self.__send(command=self.dispenser.command_purge, validator=self.dispenser.validate_purge_response)
self.__write([self.dispenser.p_ack])
if isinstance(self.dispenser, Dispenser_LCDM4000):
""" Read the EOT for LCDM4000 """
try:
self.__read(timeout=0.6)
except Exception as e:
self.logger.debug("DispenserAdapter::purge [for Puloon_LCDM4000] error catched. [%s]" % str(e.args))
if response:
if "status" in response:
self.logger.debug("DispenserAdapter: [CMD PURGE] result: %s" % response["status"])
self.logger.debug("DispenserAdapter: [CMD PURGE] info : %s" % response)
return response["status"]
return False
def dispense(self, amount, cassets_info):
""" Dispense the bills
amount:
amount to dispense
cassets_info:
Cassets infrormation in format {id_cassete : {'command' : 0x45, 'denomination' : 0, 'charging' : 100, 'position' : 'upper'},...}
"""
dispense_info = self.dispenser.get_dispense(amount, cassets_info)
command = None
self.logger.debug("DispenserAdapter: Starting dispense of amount %s" % amount)
# Amount is not dispensable
if dispense_info["to_dispense"] == amount:
raise DispenserError("Amount is not dispensable", 500)
if len(dispense_info["cassets"]) > 1:
command = self.dispenser.command_dispense_several(cassets_info, dispense_info["cassets"])
else:
id_cassete, banknotes_count = dispense_info["cassets"].popitem()
command = self.dispenser.command_dispense_single(cassets_info, id_cassete, banknotes_count)
response = self.__send(command=command, validator=self.dispenser.validate_dispense_response)
if not response:
raise DispenserError("Error while dispensing (response from dispenser is None)", 500)
self.__write([self.dispenser.p_ack])
return response
def __send(self, command, validator=False):
if not self.serial:
raise DispenserError("Serial port is not opened")
self.logger.debug("DispenserAdapter: send command in hex %s" % (["%02X" % x for x in command]))
""" Пишем, спим полсекундочки и читаем """
self.logger.debug(">> serial.write %s" % (["%02X" % x for x in command]))
bytes_written = self.__write(command)
self.logger.debug(">> serial.read")
bytes_recd = self.__read(timeout=1)
self.logger.debug(">> serial.read done")
if bytes_recd == [self.dispenser.p_nck]:
raise DispenserError("DispenserAdapter.__send: bytes_recd == NCK")
if bytes_recd == [self.dispenser.p_ack]:
self.logger.debug("DispenserAdapter.__send: bytes_recd == ACK")
bytes_recd = self.__read(timeout=60)
readed = ["%02X" % x for x in bytes_recd]
else:
if isinstance(self.dispenser, Dispenser_LCDM4000):
self.logger.debug("Dispenser instance is Dispenser_LCDM4000. F**k this!")
if validator:
return validator(bytes_recd)
readed = ["%02X" % x for x in bytes_recd]
self.logger.debug("DispenserAdapter.__send [read from dispenser]: HEX is %s" % readed)
raise DispenserError("Shit hap in HEX: %s" % readed)
self.logger.debug(">> serial.read in HEX: %s" % readed)
# if isinstance(self.dispenser, Dispenser_LCDM4000):
# ''' Read the EOT for LCDM4000 '''
# try:
# self.__read( timeout = .5 )
# except Exception as e:
# self.logger.debug('DispenserAdapter::dispense [for Puloon_LCDM4000] error catched. [%s]' % str(e.args))
if validator:
return validator(bytes_recd)
self.logger.debug("DispenserAdapter: No validator presents. Return invalidated response.")
return bytes_recd
def __write(self, bytes):
return self.serial.write(serial.to_bytes(bytes))
def __read(self, timeout=60):
time_start = time.time()
frame = []
data = ""
byte = self.serial.read(1)
data += byte
try:
first_byte = int(byte2hex(byte), 16)
self.logger.debug("DispenserAdapter.__read: first byte is: 0x%02X" % first_byte)
if first_byte == self.dispenser.p_nck:
self.logger.debug("DispenserAdapter.__read: first byte is NCK")
return [self.dispenser.p_nck]
if first_byte == self.dispenser.p_ack:
self.logger.debug("DispenserAdapter.__read: first byte is: ACK")
return [self.dispenser.p_ack]
byte = self.serial.read(1)
data += byte
self.logger.debug("DispenserAdapter.__read: Wrong first byte in response 0x%02X" % first_byte)
self.logger.debug("DispenserAdapter.__read: Next byte in response is 0x%02X" % int(byte2hex(byte)))
except Exception as e:
self.logger.debug("DispenserAdapter.__read: %s" % str(e.args))
pass
self.logger.debug("DispenserAdapter.__read: first byte is detected")
while True:
if time.time() - time_start > timeout:
self.logger.debug("DispenserAdapter.__read: timeout to read. ")
for _, i in enumerate(serial.to_bytes(data)):
frame.append(int(byte2hex(i), 16))
self.logger.debug(
"DispenserAdapter.__read: full dump of response: %s" % (["0x%02X" % x for x in frame])
)
raise DispenserError(message="Timeout to read", code=500)
try:
if int(byte2hex(byte), 16) == self.dispenser.p_etx:
break
except Exception as e:
self.logger.debug("Error in read cycle: %s" % str(e.args))
time.sleep(0.01)
byte = self.serial.read(1)
data += byte
self.logger.debug("DispenserAdapter.__read: cycle is complete")
data += self.serial.read(1)
for _, i in enumerate(serial.to_bytes(data)):
frame.append(int(byte2hex(i), 16))
self.logger.debug("DispenserAdapter.__read: full dump of response: [%s]" % ([x for x in frame]))
return frame
