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generate_request.py
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generate_request.py
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import hmac
import hashlib
import datetime
import json
import requests
import math
import asyncio
import aiohttp
from classes import API_Account, PayloadRequest
from syntax import *
def get_tasks(session, list_request):
tasks = []
for object_request in list_request:
[request_type , request_url_path, request_header, request_data] = object_request.getData()
tasks.append(send_request(session, request_type, request_url_path, request_header, request_data))
return tasks
async def get_responses(_list, _store, _identifier):
_responses = []
async with aiohttp.ClientSession() as session:
tasks = get_tasks(session, _list)
responses = await asyncio.gather(*tasks)
for response in responses:
_responses.append(await response.json())
_store[_identifier] = _responses
def get_account_info(_account : API_Account, value : str):
account_key = _account.getKey()
account_secret = _account.getSecret()
timestamp = generate_timestamp()
_message = f'|{timestamp}'
signature = generate_signature(_message, account_secret)
data = {}
headers = {
'x-api-timestamp': f'{timestamp}',
'x-api-key': f'{account_key}',
'x-api-signature': f'{signature}',
'Content-Type': 'application/x-www-form-urlencoded', 'Cache-Control':'no-cache'
}
if value == 'USDT Holding':
response = requests.get('https://api.woo.org/v1/client/holding', headers=headers, data=data)
return response.json()['holding']['USDT']
if value == 'leverage':
response = requests.get('https://api.woo.org/v1/client/info', headers=headers, data=data)
return response.json()['application']['leverage']
def get_latest_price(_account : API_Account, symbol : str):
account_key = _account.getKey()
account_secret = _account.getSecret()
timestamp = generate_timestamp()
_message = f'limit=1&symbol={symbol}&type=1m|{timestamp}'
signature = generate_signature(_message, account_secret)
headers = {
'x-api-timestamp': f'{timestamp}',
'x-api-key': f'{account_key}',
'x-api-signature': f'{signature}',
'Content-Type': 'application/x-www-form-urlencoded',
'Cache-Control':'no-cache'
}
response = requests.get(f'https://api.woo.org/v1/kline?limit=1&symbol={symbol}&type=1m', headers=headers )
try:
return response.json()['rows'][0]['close']
except Exception as e:
return e
def get_min_tick(symbol : str):
response = requests.get(f'https://api.woo.org/v1/public/info/{symbol}')
return int(abs(math.log10(response.json()['info']['base_tick'])))
def set_leverage(_account : API_Account, leverage):
account_key = _account.getKey()
account_secret = _account.getSecret()
timestamp = generate_timestamp()
_message = 'leverage={leverage}|{timestamp}'.format(leverage=leverage, timestamp=timestamp)
signature = generate_signature(_message, account_secret)
data = {
'leverage': f'{leverage}'
}
headers = {
'x-api-timestamp': f'{timestamp}',
'x-api-key': f'{account_key}',
'x-api-signature': f'{signature}',
'Content-Type': 'application/x-www-form-urlencoded', 'Cache-Control':'no-cache'
}
response = requests.post('https://api.woo.org/v1/client/leverage', headers=headers, data=data)
return response.json()['success']
def generate_request(_account : API_Account , _payload : str, _timestamp : str):
list_payload = payload_handler(_payload)
list_request = []
for payload in list_payload:
list_request.append(payload_to_request(_account, payload, _timestamp))
return list_request
def send_request(session, _type, url, headers, data):
if (_type == 'cancel-all') or (_type == 'cancel-limit') or (_type == 'cancel-stop'):
return session.delete(url, headers=headers, data=data, ssl=False)
return session.post(url, headers=headers, data=data, ssl=False)
def generate_error(message):
return {
"code" : "Failed",
"message" : message
}
def generate_management(message):
return {
"code" : "Success",
"message" : message
}
def generate_timestamp():
timenow = datetime.datetime.now()
return str(int(1000 * timenow.timestamp()))
def generate_signature(_message : str, api_secret : str):
return hmac.new(
api_secret.encode('utf-8'),
msg=_message.encode('utf-8'),
digestmod=hashlib.sha256).hexdigest()
def payload_handler(_payload):
"""Converts Payload String from Tradingview Alerts into Payload Dictionary.
Args:
payload (string) : Alert Message from Tradingview.
Returns:
A List containing a Tuple(s) of
- dictionary/dictionaries, with alert/payload elements.
- A response message for any errors encountered.
Raises:
ERROR (Cannot Read Alert Message): If the parsed payload string is not readable.
"""
list_payload = []
# Multiple Requests in One Payload
if ';' in _payload:
all_payloads = _payload.split(';')
for payload in all_payloads:
try:
# Prepare Payload
payload = payload.strip().replace(' ', '').split(',')
# Seperate Payload into Dictionary
payload_dict = {}
for item in payload:
(key, value) = item.lower().split('=')
payload_dict[key] = value.replace('\'', '').replace('\"', '').upper()
response_message = 'Success'
except:
# ERROR: Unknown Error
payload_dict = {}
response_message = 'ERROR (Cannot Read Alert Message or Messages) : \
Make sure your alert messages are written and punctuated correctly, and Separated with a ';''
list_payload.append((payload_dict, response_message))
return list_payload
# Single Request in a Payload
try:
# Prepare Payload
payload = _payload.strip().replace(' ', '').split(',')
# Seperate Payload into Dictionary
payload_dict = {}
for item in payload:
(key, value) = item.lower().split('=')
payload_dict[key] = value.replace('\'', '').replace('\"', '').upper()
response_message = 'Success'
except:
# ERROR: Unknown Error
payload_dict = {}
response_message = 'ERROR (Cannot Read Alert Message) : \
Make sure your alert message is written and punctuated correctly.'
list_payload.append((payload_dict, response_message))
return list_payload
def payload_to_request(_account : API_Account , _payload : str, _timestamp : str):
"""
Returns:
Response_Message: String Describing the error that may have occured during the function call.
List of Request Object: Returns a list of request objects; can return more than one request objects
"""
response_message = ''
data = ''
url_path = ''
header = ''
payload_dict, response_message = _payload
if 'ERROR' in response_message:
return (response_message, None)
#region ----- Authenticate Payload
if 'token' not in payload_dict.keys():
response_message = 'ERROR (Payload Not Authenticated) : \'token\' parameter is required to authenticate payload.'
return (response_message, None)
_token = payload_dict['token']
# ERROR: Check if token matches the stored token
if _token != config.Webhook_Token.upper():
if _token == 'RESET':
pass
else:
response_message = f'ERROR (Wrong Authentication Token) : Wrong Authentication Token.'
return response_message, None
#endregion
#region ----- Confirm Payload Type
# ERROR: if 'type' key is not in payload
if 'type' not in payload_dict.keys():
response_message = 'ERROR (Missing Required Parameter) : \'type\' parameter is not defined.'
return (response_message, None)
_type = payload_dict['type'].lower().replace(' ', '-').replace('_', '-')
# ERROR: Check if valid argument was passed for 'type' parameter
if _type not in CONST_TYPES:
response_message = 'ERROR (Invalid Arguments Passed) : \'{type}\' argument passed for \'type\' parameter is not valid/recognized.'\
.format(type=_type)
return (response_message, None)
#endregion
# MANAGEMENT: If type is 'update-database'
if _type == 'update-database':
response_message = 'DATABASE UPDATE REQUEST'
return (response_message, None)
#region ----- Alternative Algorithm For Multiple Cancels
if _type == 'cancel-all':
list_type = ['cancel-limit', 'cancel-stop']
list_request = []
for current_type in list_type:
_required_params = {}
# Load Required Parameters from Payload Dictionary
for _param in DICT_PARAMS[current_type]:
# ERROR: Check for missing required parameter;
if _param not in payload_dict.keys():
response_message = 'ERROR (Missing Required Parameter) : \'{type}\' order requires a \'{param}\' argument.'\
.format(type=current_type, param=_param)
return (response_message, None)
# CONTINUE LOGIC : Order type is defined, and all the required arguments have been passed. Collect required parameters
else:
# Check if valid argument has been passed for 'side' parameter
if (_param == 'side') and (payload_dict[_param] not in CONST_SIDE):
response_message = 'ERROR (Invalid Arguments Passed) : \'{side}\' argument passed for \'side\' parameter is not valid/recognized.'\
.format(side=payload_dict[_param])
return (response_message, None)
_required_params[_param] = payload_dict[_param]
# Generate Request Body and Normalised Body
url_path = DICT_URL[current_type]
header = DICT_HEADER[current_type].copy()
data = DICT_DATA[current_type].copy()
_normal_body = DICT_NORMAL[current_type]
if current_type == 'cancel-limit' :
_symbol = _required_params['symbol']
data.update(
symbol = _symbol
)
_normal_body = _normal_body.format(symbol=_symbol)
_normal_body = '{message}{timestamp}'.format(message=_normal_body, timestamp=_timestamp)
elif current_type == 'cancel-stop' :
_symbol = _required_params['symbol']
_side = _required_params['side']
url_path = url_path.format(symbol=_symbol)
data.update(
side = _side
)
data = json.dumps(data)
_normal_body = _normal_body.format(data=data, symbol=_symbol)
_normal_body = '{timestamp}{message}'.format(message=_normal_body, timestamp=_timestamp)
# Generate Signature From Normalized Body
account_key = _account.getKey()
account_secret = _account.getSecret()
signature = generate_signature(_normal_body, account_secret)
# Generate Header
header.update([
('x-api-key', f"{account_key}"),
('x-api-signature', f"{signature}"),
("x-api-timestamp", f"{_timestamp}")
])
# Create a Request Object with the results
request = PayloadRequest(current_type, url_path, header, data, _timestamp)
list_request.append(request)
return (response_message, list_request)
#endregion
#region ----- Confirm Required Parameters
_required_params = {}
# Load Required Parameters from Payload Dictionary
for _param in DICT_PARAMS[_type]:
# ERROR: Check for missing required parameter;
if _param not in payload_dict.keys():
response_message = 'ERROR (Missing Required Parameter) : \'{type}\' order requires a \'{param}\' argument.'\
.format(type=_type, param=_param)
return (response_message, None)
# CONTINUE LOGIC : Order type is defined, and all the required arguments have been passed. Collect required parameters
else:
# Check if valid argument has been passed for 'side' parameter
if (_param == 'side') and (payload_dict[_param] not in CONST_SIDE):
response_message = 'ERROR (Invalid Arguments Passed) : \'{side}\' argument passed for \'side\' parameter is not valid/recognized.'\
.format(side=payload_dict[_param])
return (response_message, None)
# Check if valid argument has been passed for 'leverage' parameter
if (_param == 'leverage') and (payload_dict[_param] not in CONST_LEVERAGE):
response_message = 'ERROR (Invalid Arguments Passed) : \'{leverage}\' argument passed for \'leverage\' parameter is not valid/recognized.'\
.format(leverage=payload_dict[_param])
return (response_message, None)
_required_params[_param] = payload_dict[_param]
#endregion
#region ----- Change and Retrieve Token
# MANAGEMENT : if _type is equal to 'change-token'
if _type == 'change-token':
_new_token = _required_params['new_token']
_confirm_token = _required_params['confirm_token']
if _new_token == _confirm_token:
config.Webhook_Token = _new_token
response_message = 'MANAGEMENT : Authentication Token Updated.'
else:
response_message = 'ERROR : New Token and Confirm Token do not match.'
return (response_message, None)
if _type == 'forgot-token':
_master_token = _required_params['master_token']
if (_master_token == config.MASTER_1.upper()):
response_message = f'MANAGEMENT : Current Token is : {config.Webhook_Token}'
return (response_message, None)
else:
response_message = f'MANAGEMENT : You don\'t have the authorization for this command.'
return (response_message, None)
#endregion
#region ----- Generate Request Body and Normalised Body
url_path = DICT_URL[_type]
header = DICT_HEADER[_type].copy()
data = DICT_DATA[_type].copy()
_normal_body = DICT_NORMAL[_type]
if _type == 'market' :
_symbol = _required_params['symbol']
_side = _required_params['side']
_order_quantity = _required_params['quantity']
_leverage = _required_params['leverage']
_percentage = _required_params['is_percentage']
_reduce = _required_params['reduce_only'].lower()
# First : Update the Leverage Settings
set_leverage(_account, _leverage)
# Next : Calculate Quantity Amount
if _percentage == 'TRUE':
current_holding = get_account_info(_account, 'USDT Holding')
current_price = get_latest_price(_account, _symbol)
_order_quantity = round((current_holding * (float(_order_quantity) / 100)) / current_price, get_min_tick(_symbol))
data.update(
symbol = _symbol,
side = _side,
order_quantity = _order_quantity,
reduce_only = _reduce
)
_normal_body = _normal_body.format(symbol=_symbol, side=_side, order_quantity=_order_quantity, reduce_only=_reduce)
_normal_body = '{message}{timestamp}'.format(message=_normal_body, timestamp=_timestamp)
elif _type == 'limit' :
_symbol = _required_params['symbol']
_side = _required_params['side']
_order_price = _required_params['price']
_order_quantity = _required_params['quantity']
_leverage = _required_params['leverage']
_percentage = _required_params['is_percentage']
_reduce = _required_params['reduce_only'].lower()
# First : Update the Leverage Settings
set_leverage(_account, _leverage)
# Next : Calculate Quantity Amount
if _percentage == 'TRUE':
current_holding = get_account_info(_account, 'USDT Holding')
current_price = get_latest_price(_account, _symbol)
_order_quantity = round((current_holding * (float(_order_quantity) / 100)) / current_price, get_min_tick(_symbol))
data.update(
symbol = _symbol,
side = _side,
order_price = _order_price,
order_quantity = _order_quantity,
reduce_only = _reduce
)
_normal_body = _normal_body.format(symbol=_symbol, side=_side, order_price=_order_price, order_quantity=_order_quantity, reduce_only=_reduce)
_normal_body = '{message}{timestamp}'.format(message=_normal_body, timestamp=_timestamp)
elif _type == 'close' :
_symbol = _required_params['symbol']
_side = 'BUY' if (_required_params['side'] == 'SELL') else 'SELL'
_order_quantity = _required_params['quantity']
data.update(
symbol = _symbol,
side = _side,
order_quantity = _order_quantity
)
_normal_body = _normal_body.format(symbol=_symbol, side=_side, order_quantity=_order_quantity)
_normal_body = '{message}{timestamp}'.format(message=_normal_body, timestamp=_timestamp)
elif _type == 'cancel-limit' :
_symbol = _required_params['symbol']
data.update(
symbol = _symbol
)
_normal_body = _normal_body.format(symbol=_symbol)
_normal_body = '{message}{timestamp}'.format(message=_normal_body, timestamp=_timestamp)
elif _type == 'cancel-stop' :
_symbol = _required_params['symbol']
_side = _required_params['side']
url_path = url_path.format(symbol=_symbol)
data.update(
side = _side
)
data = json.dumps(data)
_normal_body = _normal_body.format(data=data, symbol=_symbol)
_normal_body = '{timestamp}{message}'.format(message=_normal_body, timestamp=_timestamp)
elif _type == 'stop' :
_symbol = _required_params['symbol']
_side = _required_params['side']
_price = _required_params['price']
_quantity = _required_params['quantity']
_leverage = _required_params['leverage']
_percentage = _required_params['is_percentage']
_reduce = _required_params['reduce_only'].lower()
# First : Update the Leverage Settings
set_leverage(_account, _leverage)
# Next : Calculate Quantity Amount
if _percentage == 'TRUE':
current_holding = get_account_info(_account, 'USDT Holding')
current_price = get_latest_price(_account, _symbol)
_quantity = round((current_holding * (float(_quantity) / 100)) / current_price, get_min_tick(_symbol))
data.update(
symbol = _symbol,
side = _side,
triggerPrice = _price,
quantity = _quantity,
reduceOnly = _reduce
)
data = json.dumps(data)
_normal_body = _normal_body.format(data=data)
_normal_body = '{timestamp}{message}'.format(message=_normal_body, timestamp=_timestamp)
elif _type == 'tp-sl' :
_side = _required_params['side']
print(_required_params['side'] )
_symbol = _required_params['symbol']
_tp = _required_params['tp']
_sl = _required_params['sl']
_reduce = _required_params['reduce_only'].lower()
if float(_tp) == 0:
data = DICT_DATA['sl']
data["symbol"] = _symbol
data["childOrders"][0]['triggerPrice'] = _sl
data["childOrders"][0]['side'] = _side
data["childOrders"][0]['reduceOnly'] = _reduce
elif float(_sl) == 0:
data = DICT_DATA['tp']
data["symbol"] = _symbol
data["childOrders"][0]['triggerPrice'] = _tp
data["childOrders"][0]['side'] = _side
data["childOrders"][0]['reduceOnly'] = _reduce
else:
data["symbol"] = _symbol
data["childOrders"][0]['triggerPrice'] = _tp
data["childOrders"][1]['triggerPrice'] = _sl
data["childOrders"][0]['side'] = _side
data["childOrders"][1]['side'] = _side
data["childOrders"][0]['reduceOnly'] = _reduce
data["childOrders"][1]['reduceOnly'] = _reduce
data = json.dumps(data)
_normal_body = _normal_body.format(data=data)
_normal_body = '{timestamp}{message}'.format(message=_normal_body, timestamp=_timestamp)
#endregion
# Generate Signature From Normalized Body
account_key = _account.getKey()
account_secret = _account.getSecret()
signature = generate_signature(_normal_body, account_secret)
# Generate Header
header.update([
('x-api-key', f"{account_key}"),
('x-api-signature', f"{signature}"),
("x-api-timestamp", f"{_timestamp}")
])
# Create a Request Object with the results
response_message = 'SUCCESS : Request Generated Successfully.'
request = PayloadRequest(_type, url_path, header, data, _timestamp)
return (response_message, [request])