async def quote_symbols(api: BinanceAPI):
""" Get all */quote and quote/BUSD symbols """
async with aiohttp.ClientSession() as client:
exinfo, tickers = await asyncio.gather(
api.exchange_info(client), api.ticker_24h(client, single=False))
dtickers = {val['symbol']: val for val in tickers}
qsymbols = {}
for symbol in exinfo['symbols']:
if symbol['status'] != 'TRADING' or \
not symbol['isSpotTradingAllowed'] or \
not symbol['quoteOrderQtyMarketAllowed']:
continue
# inject ticker data inside a symbol
symbol['ticker'] = dtickers[symbol['symbol']]
if symbol['quoteAsset'] == api.env.qcoin:
qsymbols[symbol['baseAsset']] = symbol
elif symbol['quoteAsset'] == 'BUSD' and \
symbol['baseAsset'] == api.env.qcoin:
qsymbols[api.env.qcoin] = symbol
return qsymbols
async def setup(api: BinanceAPI) -> (dict, float):
""" main parameter setup
return exchange info and quote amount to sell """
env = api.env
def set_stdin(prompt: str, default):
if not env.override:
return default
ret = input(prompt)
return ret if ret else default
prompt = f'Enter quote coin symbol (coin to trade for) [default: {env.qcoin}]: '
env.qcoin = set_stdin(prompt, env.qcoin).upper()
async with aiohttp.ClientSession() as client:
info, lbals = await asyncio.gather(api.exchange_info(client),
api.balances(client))
symbols, src_symbols, usd_symbol = api.quote_symbols(info)
bals = filter_balances(lbals, [env.qcoin] + env.src_coins)
if env.qcoin not in bals:
raise CException('Quote coin is invalid')
qbal, qloc = bals[env.qcoin]
del bals[env.qcoin]
print(
f'Your free balance for {env.qcoin} is {ffmt(qbal)} (locked: {ffmt(qloc)})'
)
def_qty = env.buy_perc / 100 * qbal
if env.usd_value:
# fixed USD quote balance feature
usd_price = await quote_qty_from_usd(client, api, usd_symbol)
qqty = env.usd_value / usd_price
while qqty > qbal:
diff = 1.02 * (qqty - qbal)
qbal += await buy_from_source(client, api, src_symbols, bals,
diff)
else:
prompt = f'Enter {env.qcoin} amount to sell ' + \
f'[default: {ffmt(def_qty)} ({env.buy_perc:.2f}%)]: '
qqty = float(set_stdin(prompt, def_qty))
if qqty <= 0:
raise CException(
f'Cannot sell non-positive amount of {env.qcoin}')
if qqty > qbal:
raise CException('Insufficient quote balance')
prompt = f'Enter sell type (LIMIT|MARKET) [default: {env.sell_type.name}]: '
env.sell_type = SellType(set_stdin(prompt, env.sell_type))
prompt = f'Enter desired profit in % [default: {env.profit:.2f}]: '
env.profit = float(set_stdin(prompt, env.profit))
if env.profit <= 0:
CColors.wprint(
'You have set a non-positive profit. Proceeding may net you a loss!'
)
prompt = f'Enter stop level in % to manage risk [default: {env.stop:.2f}]: '
env.stop = float(set_stdin(prompt, env.stop))
if not -100 <= env.stop < env.profit:
raise CException('Stop percentage must be lower than profits!')
print('---- SELECTED OPTIONS ----')
print(f'Selected quote coin: {env.qcoin}')
print(f'Selected quote amount to sell: {ffmt(qqty)} {env.qcoin} ' + \
f'(available: {ffmt(qbal)} {env.qcoin})')
print(f'Selected sell strategy: {env.sell_type.name}')
print(f'Selected target profit: {env.profit:.2f}%')
print(f'Selected stop percentage: {env.stop:.2f}%')
print('--------------------------')
return symbols, qqty
