def price_view(trading_pair):
view = ''
currency_symbol = trading_pair['counter_currency']
counter_currency = COUNTER_CURRENCIES.index(
trading_pair['counter_currency'])
currency = trading_pair['transaction_currency']
exchanges = get_exchanges()
last_prices_object = PriceHistory.objects.filter(
source__in=exchanges,
transaction_currency=currency,
counter_currency=counter_currency).order_by(
'-timestamp')[:len(exchanges)]
seen = set()
seen_add = seen.add
# remove dublicates
unique_last_prices = [
price for price in last_prices_object
if not (price.source in seen or seen_add(price.source))
]
for price_obj in sorted(unique_last_prices, key=lambda pr: pr.close):
view += f"\n{format_currency(price_obj.close, currency_symbol)} on {get_source_name(price_obj.source).title()} at {format_timestamp(price_obj.timestamp)}"
return view
def info_view(update):
view = f'Hello, hello, {update.message.from_user.first_name}!\n\n'
exchanges = (get_source_name(index).capitalize() for index in get_exchanges())
view += f'I support these exchanges: `{", ".join(exchanges)}\n\n`'
period_in_seconds = 2*60*60 if not LOCAL else 2000*60*60
trading_pairs = get_currency_pairs(source='all', period_in_seconds=period_in_seconds, counter_currency_format="text")
coins = set(coin for coin, _ in trading_pairs)
view += f'And {len(coins)} coins:\n`{", ".join(coins)}`\n\n'
view += f'And {len(trading_pairs)} trading pairs, like `BTC_USDT, ETH_BTC, XRP_ETH ...`\nI love long text messages, but this message is already too long, even for me 🙂 '
return view
def price_view(trading_pair):
view = ''
if trading_pair['counter_currency'] == 'USDT':
currency_symbol = '$'
else:
currency_symbol = ''
counter_currency = COUNTER_CURRENCIES.index(
trading_pair['counter_currency'])
currency = trading_pair['transaction_currency']
exchanges = get_exchanges()
last_prices_object = Price.objects.filter(
source__in=exchanges,
transaction_currency=currency,
counter_currency=counter_currency).order_by(
'-timestamp')[:len(exchanges)]
seen = set()
seen_add = seen.add
# remove dublicates
unique_last_prices = [
price for price in last_prices_object
if not (price.source in seen or seen_add(price.source))
]
exchanges_with_price = natural_join([
get_source_name(price.source).title() for price in unique_last_prices
])
view += f"I found *{currency}*\_{trading_pair['counter_currency']} in {exchanges_with_price}\n"
for price_obj in sorted(unique_last_prices, key=lambda pr: pr.price):
view += f"\n*{format_currency(price_obj.price, currency_symbol)}* on {get_source_name(price_obj.source).title()} at {format_timestamp(price_obj.timestamp)}"
return view
from cache_memoize import cache_memoize
from telegram import ParseMode
from settings import INFO_BOT_CRYPTOPANIC_API_TOKEN, INFO_BOT_CACHE_TELEGRAM_BOT_SECONDS
from settings import COUNTER_CURRENCIES
from apps.indicator.models import PriceHistory
from apps.signal.models import Signal
from apps.info_bot.helpers import format_currency, format_timestamp, parse_telegram_cryptocurrency_args
from apps.info_bot.helpers import save_history
from taskapp.helpers import get_source_name, get_exchanges
SOURCES = get_exchanges()
## helpers
def percents(new_value, old_value):
return 100 * (new_value - old_value) / old_value
def diff_symbol(diff): # ↑ increase, ↓ decrease
if diff > 0:
d_sym = "⬆"
elif diff < 0:
d_sym = "⬇"
else:
d_sym = ""
return d_sym
def compute_and_save_indicators_for_all_sources(resample_period):
from taskapp.helpers import get_exchanges
for exchange in get_exchanges():
compute_and_save_indicators.delay(source=exchange, resample_period=resample_period)