def test_modify_pending_order(mt4: MT4Client, symbol: Symbol):
# create a pending order
optimistic_buy_price = symbol.tick.ask / 2
slippage = 1
sl_points = 100
tp_points = 100
order = mt4.order_send(symbol=symbol,
lots=symbol.volume_min,
order_type=OrderType.OP_BUYLIMIT,
price=optimistic_buy_price,
slippage=slippage,
sl_points=sl_points,
tp_points=tp_points)
original_price = order.open_price
# lower the price and widen the sl/tp windows
new_price = original_price * 0.9
new_points = 100
# modify order
order = mt4.order_modify(order=order,
price=new_price,
sl_points=new_points,
tp_points=new_points)
assert order.open_price < original_price
assert order.sl < new_price
assert order.tp > new_price
print(f"Order open_price/sl/tp: {order.open_price}/{order.sl}/{order.tp}")
def test_modify_open_order(mt4: MT4Client, symbol: Symbol):
# create a market order
order = mt4.order_send(symbol=symbol,
lots=symbol.volume_min,
order_type=OrderType.OP_BUY)
# add sl/tp stops
bid = symbol.tick.bid
points = 200
sl = bid - points * symbol.point
tp = bid + points * symbol.point
# modify order
order = mt4.order_modify(order=order, sl=sl, tp=tp)
assert order.sl < bid
assert order.tp > bid
print(f"Order open_price/sl/tp: {order.open_price}/{order.sl}/{order.tp}")