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session.py
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session.py
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import os
import asyncio
import traceback
import logging
from time import sleep
from playwright.async_api import async_playwright
from playwright._impl._api_types import TimeoutError as PWTimeoutError
from prob import check_stop
class TradeSession:
def __init__(self):
self.stop_loss = 2
self.stop_profit = 2
self.mtng = self.start_balance = 0.1
#self.ldp must always be an integer
self.ldp = 0
self.stake = self.init_stake = 0.35
self.loop = self.paused = False
self.purchase_handle = self.close_btn_handle = None
self.playwright = self.browser = self.context = self.page = None
async def setup(self, window):
'''
This was supposed to go to init method
but a quick way to avoid a return on the init
'''
window['_MG_'].update(self.mtng)
window['_SL_'].update(self.stop_loss)
window['_SP_'].update(self.stop_profit)
window['_SK_'].update(self.init_stake)
window['_LDP_'].update(self.ldp)
self.playwright = await async_playwright().start()
self.browser = await self.playwright.chromium.launch(headless=False)
state = "state.json"
await asyncio.sleep(0)
if os.path.isfile(state):
# Create a new context with the saved storage state.
self.context = await self.browser.new_context(storage_state=state)
self.page = await self.context.new_page()
else:
window['_MESSAGE_'].update('Please Login First!')
self.context = await self.browser.new_context()
self.page = await self.context.new_page()
try:
await self.page.goto("https://smarttrader.deriv.com/")
except PWTimeoutError as e:
logging.info('The page is taking long to load please wait')
await asyncio.sleep(10)
async def login(self, email, psword, window):
'''
Login if not logged in and then store the context into state.json
'''
#Best way to go about this is to check if state.json exists in path
#if yes then return here, and notify the user via message key
#if os.path.isfile("state.json"): #This doesn't guarantee logged in
#window['_MESSAGE_'].update('Logged in already!')
#return
# Click text=Log in
try:
lg_btn = self.page.locator("#btn__login") or self.page.locator("text=Log in")
await lg_btn.click()
# Click [placeholder="example\@email\.com"]
email_input = self.page.locator('#txtEmail') or self.page.locator(
"[placeholder=\"example\\@email\\.com\"]"
)
await email_input.fill(email)
await asyncio.sleep(3)
psword_input = self.page.locator('#txtPass') or self.page.locator(
"input[name=\"password\"]"
)
# Fill input[name="password"]
await psword_input.fill(psword)
except Exception as e:
logging.info(e)
window['_MESSAGE_'].update('Playwright Cannot Login!')
await asyncio.sleep(7)
await asyncio.sleep(3)
# Click button:has-text("Log in")
# with page.expect_navigation(url="https://smarttrader.deriv.com/en/trading.html"):
async with self.page.expect_navigation():
submit_btn = self.page.locator(
'button.button.secondary'
) or self.page.locator('input[name="login"]')
await submit_btn.click()
#page.locator("button:has-text(\"Log in\")").click()
window['_MESSAGE_'].update('Logged in already!')
await asyncio.sleep(3)
# Save storage state into the file.
storage = await self.context.storage_state(path="state.json")
async def tight_play(self, spot_balance_span, stake_input):
'''
Should run so fast, as fast as possible
Noticeable compromises is the use of is for comparison of small ints
Can also pull in uvloop for production operation
#Wait for the price to change
#Instead of sleeping, can more accurately register a MutationObserver
#Also instead of returning in JS func, use a promise and resolve
#See https://github.com/microsoft/playwright/issues/4051
await self.page.evaluate("""() => {
new window.MutationObserver((mutations) => {
if (mutation.addedNodes.length) {
return;
}
}).observe(document.getElementById('spot'), { childList: true });
}""")
'''
bid_spot = prev_spot = ''
self.loop = True
xbtn_visible = await self.close_btn_handle.is_visible()
if xbtn_visible:
try:
await self.close_btn_handle.click(timeout=3000)
except PWTimeoutError:
pass
while self.loop:
bid_spot = await spot_balance_span.inner_text()
while prev_spot == bid_spot:
bid_spot = await spot_balance_span.inner_text()
if int(bid_spot[-1]) is self.ldp: #Play Check
#Once LDP is correct, purchase immediately,
#Deriv will schedule for the next price spot
try:
await self.page.locator("#purchase_button_top").click(timeout=100)
sleep(0.6)
bid_spot_purchase = await spot_balance_span.inner_text()
next_price = await spot_balance_span.inner_text()
#If the price spot didn't change yet
#try again to read the next_price
while next_price == bid_spot_purchase:
next_price = await spot_balance_span.inner_text()
logging.info(f"**PRICES: {bid_spot}, {bid_spot_purchase}, {next_price}, **")
if bid_spot == bid_spot_purchase:
if int(next_price[-1]) is self.ldp:
logging.info('--FAST WON--')
self.stake = self.init_stake
else:
logging.info('FAST LOST!!!')
self.stake = round(self.stake * self.mtng + self.stake, 2)
else:
#This sleep is to wait for the results,
#don't give control back to the event loop
sleep(0.5)
result_str = await self.page.locator(
"#contract_purchase_heading"
).inner_text()
while result_str == 'Contract Confirmation':
result_str = await self.page.locator(
"#contract_purchase_heading"
).inner_text()
logging.info(result_str)
if result_str == "This contract won":
logging.info('--WON--')
self.stake = self.init_stake
elif result_str == "This contract lost":
logging.info('LOST!!!')
self.stake = round(self.stake * self.mtng + self.stake, 2)
else:
logging.info('@@The bot could not update stake@@')
logging.info(f'The stake is updated to: {self.stake}')
await stake_input.fill(str(self.stake))
pbtn_visible = await self.purchase_handle.is_visible()
if not pbtn_visible:
await self.close_btn_handle.click()
prev_spot = next_price
except PWTimeoutError as e:
logging.error(e)
logging.info('Purchase btn is disabled by Deriv, waiting for activation...')
await asyncio.sleep(5)
return await self.tight_play(spot_balance_span, stake_input)
else:
#Wait for the price tick to move forward
#Check for stopping profit/loss while waiting for the tick
bl = await self.page.locator("#header__acc-balance").inner_text()
cur_balance = float(bl.split()[0].replace(',',''))
stop_est = cur_balance - self.start_balance
if stop_est > float(self.stop_profit) or abs(stop_est) > float(self.stop_loss):
self.loop = False
return 'AS'
prev_spot = bid_spot
async def play(self, window, values):
'''
Runs the smarttrader session with Volatility 100,
Match/Differ option and Tick = 1
'''
window['_PLAY_STATUS_'].update('PLAYING...')
if not values['_SK_'] or not values['_MG_'] or not values['_LDP_']:
window['_MESSAGE_'].update(
'Please provide LDP, Stake and initial Martingale'
)
return
if self.paused:
self.paused = False
xbtn_visible = await self.close_btn_handle.is_visible()
if xbtn_visible:
try:
await self.close_btn_handle.click(timeout=2000)
except PWTimeoutError as e:
pass
else:
#New Play session, take stake value from the user input
self.stake = self.init_stake = float(values['_SK_'])
self.mtng = float(values['_MG_'])
self.stop_loss = float(values['_SL_'])
self.stop_profit = float(values['_SP_'])
self.ldp = int(values['_LDP_'])
spot_balance_span = self.page.locator("#spot")
stake_input = self.page.locator("#amount")
self.purchase_handle = self.page.locator(
'#purchase_button_top'
)
self.close_btn_handle = self.page.locator(
"#close_confirmation_container"
)
sblnc = await self.page.locator("#header__acc-balance").inner_text()
if sblnc:
self.start_balance = float(sblnc.split()[0].replace(',',''))
else:
logging.info('Sorry the Start Balance was never retrieved!')
logging.info('PLEASE STOP THE PLAY MANUALLY!')
try:
await self.page.goto(
f"https://smarttrader.deriv.com/en/trading.html?currency=USD&market=synthetic_index&underlying=R_100&formname=matchdiff&date_start=now&duration_amount=1&duration_units=t&amount={self.stake}&amount_type=stake&expiry_type=duration&prediction={self.ldp}"
)
except PWTimeoutError as e:
#traceback.format_exc()
logging.info('The page is taking long to load please wait')
await asyncio.sleep(8)
await asyncio.sleep(4)
status = await self.tight_play(spot_balance_span, stake_input)
if status == 'AS':
window['_PLAY_STATUS_'].update('STOPPED!')
elif status == 'BK':
window['_PLAY_STATUS_'].update('PURCHASE BLOCKED!')
xbtn_visible = await self.close_btn_handle.is_visible()
if xbtn_visible:
try:
await self.close_btn_handle.click(timeout=2000)
except PWTimeoutError as e:
pass
def pause(self, window):
'''
Pause the play loop
'''
window['_PLAY_STATUS_'].update('PAUSED...')
self.loop = False
self.paused = True
def stop(self, window):
'''
Clear the current Play session values,
restore the initial session values and break the play loop
'''
self.loop = False
window['_PLAY_STATUS_'].update('STOPPED!')
self.mtng = 0.1
self.stake = self.init_stake = 0.35
self.stop_loss = 2
self.stop_profit = 2
window['_MG_'].update(self.mtng)
window['_SL_'].update(self.stop_loss)
window['_SP_'].update(self.stop_profit)
window['_SK_'].update(self.init_stake)
window['_LDP_'].update(self.ldp)
async def exit(self):
'''
Executed when the user closes (X)
the GUI application window
'''
if self.browser and self.playwright:
await self.browser.close()
await self.playwright.stop()