def test_show_ticker(self, notify_mock):
global_config_map["tables_format"].value = "psql"
captures = []
notify_mock.side_effect = lambda s: captures.append(s)
exchange_name = "paper"
exchange = MockPaperExchange()
self.app.markets[exchange_name] = exchange
trading_pair = "BTC-USDT"
exchange.set_balanced_order_book(
trading_pair,
mid_price=10,
min_price=8.5,
max_price=11.5,
price_step_size=1,
volume_step_size=1,
)
self.async_run_with_timeout(
self.app.show_ticker(exchange=exchange_name, live=False))
self.assertEqual(1, len(captures))
df_str_expected = (
" Market: MockPaperExchange"
"\n+------------+------------+-------------+--------------+"
"\n| Best Bid | Best Ask | Mid Price | Last Trade |"
"\n|------------+------------+-------------+--------------|"
"\n| 9.5 | 10.5 | 10 | nan |"
"\n+------------+------------+-------------+--------------+")
self.assertEqual(df_str_expected, captures[0])
def test_adjust_candidate_insufficient_funds_for_flat_fees_and_percent_fees_third_token(
self):
fc_token = "PFC"
trade_fee_schema = TradeFeeSchema(
percent_fee_token=fc_token,
maker_percent_fee_decimal=Decimal("0.01"),
taker_percent_fee_decimal=Decimal("0.01"),
maker_fixed_fees=[TokenAmount(fc_token, Decimal("1"))])
exchange = MockPaperExchange(trade_fee_schema)
pfc_quote_pair = combine_to_hb_trading_pair(self.quote_asset, fc_token)
exchange.set_balanced_order_book( # the quote to pfc price will be 1:2
trading_pair=pfc_quote_pair,
mid_price=1.5,
min_price=1,
max_price=2,
price_step_size=1,
volume_step_size=1,
)
budget_checker: BudgetChecker = exchange.budget_checker
exchange.set_balance(self.quote_asset, Decimal("20"))
exchange.set_balance(
fc_token, Decimal("1.2")
) # 0.2 less than required; will result in 50% order reduction
order_candidate = OrderCandidate(
trading_pair=self.trading_pair,
is_maker=True,
order_type=OrderType.LIMIT,
order_side=TradeType.BUY,
amount=Decimal("10"),
price=Decimal("2"),
)
adjusted_candidate = budget_checker.adjust_candidate(order_candidate,
all_or_none=False)
self.assertEqual(Decimal("5"), adjusted_candidate.amount)
self.assertEqual(self.quote_asset,
adjusted_candidate.order_collateral.token)
self.assertEqual(Decimal("10"),
adjusted_candidate.order_collateral.amount)
self.assertEqual(fc_token,
adjusted_candidate.percent_fee_collateral.token)
self.assertEqual(Decimal("0.2"),
adjusted_candidate.percent_fee_collateral.amount)
self.assertEqual(fc_token, adjusted_candidate.percent_fee_value.token)
self.assertEqual(Decimal("0.2"),
adjusted_candidate.percent_fee_value.amount)
self.assertEqual(1, len(adjusted_candidate.fixed_fee_collaterals))
fixed_fee_collateral = adjusted_candidate.fixed_fee_collaterals[0]
self.assertEqual(fc_token, fixed_fee_collateral.token)
self.assertEqual(Decimal("1"), fixed_fee_collateral.amount)
self.assertEqual(self.base_asset,
adjusted_candidate.potential_returns.token)
self.assertEqual(Decimal("5"),
adjusted_candidate.potential_returns.amount)
def test_populate_collateral_fields_percent_fees_in_third_token(self):
pfc_token = "PFC"
trade_fee_schema = TradeFeeSchema(
percent_fee_token=pfc_token,
maker_percent_fee_decimal=Decimal("0.01"),
taker_percent_fee_decimal=Decimal("0.01"),
)
exchange = MockPaperExchange(trade_fee_schema)
pfc_quote_pair = combine_to_hb_trading_pair(self.quote_asset,
pfc_token)
exchange.set_balanced_order_book( # the quote to pfc price will be 1:2
trading_pair=pfc_quote_pair,
mid_price=1.5,
min_price=1,
max_price=2,
price_step_size=1,
volume_step_size=1,
)
budget_checker: BudgetChecker = exchange.budget_checker
order_candidate = OrderCandidate(
trading_pair=self.trading_pair,
is_maker=True,
order_type=OrderType.LIMIT,
order_side=TradeType.BUY,
amount=Decimal("10"),
price=Decimal("2"),
)
populated_candidate = budget_checker.populate_collateral_entries(
order_candidate)
self.assertEqual(self.quote_asset,
populated_candidate.order_collateral.token)
self.assertEqual(Decimal("20"),
populated_candidate.order_collateral.amount)
self.assertEqual(pfc_token,
populated_candidate.percent_fee_collateral.token)
self.assertEqual(Decimal("0.4"),
populated_candidate.percent_fee_collateral.amount)
self.assertEqual(pfc_token,
populated_candidate.percent_fee_value.token)
self.assertEqual(Decimal("0.4"),
populated_candidate.percent_fee_value.amount)
self.assertEqual(0, len(populated_candidate.fixed_fee_collaterals))
self.assertEqual(self.base_asset,
populated_candidate.potential_returns.token)
self.assertEqual(Decimal("10"),
populated_candidate.potential_returns.amount)
