def assert_trades_equal(t1: Trade, t2: Trade) -> None:
"""Checks 2 trades are equal. Has a tolerance for precision errors in real numbers
since the precision generated by sqlite division is different to fval one
"""
t1_dict = t1._asdict()
for key, val in t1_dict.items():
if key in ('rate', 'amount'):
assert val.is_close(getattr(t2, key))
else:
assert val == getattr(t2, key)
def test_serialize_deserialize_trade():
trade = Trade(
timestamp=Timestamp(1537985746),
location=Location.KRAKEN,
pair=TradePair('ETH_BTC'),
trade_type=TradeType.SELL,
amount=FVal('2.80'),
rate=FVal('0.1234'),
fee=FVal('0.01'),
fee_currency=A_ETH,
link='a link can be here',
notes='notes can be here',
)
serialized_trade = rlk_jsondumps(trade._asdict())
assert serialized_trade == rlk_jsondumps(raw_trade2)
deserialized_trade = deserialize_trade(raw_trade2)
assert deserialized_trade == trade