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fix: Fix trading precision issues and improve error handling

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- Fix quantity precision calculation for Binance, OKX, Bybit, Bitget, Deepcoin exchanges
- Improve OpenRouter API error handling with detailed error messages
- Add SECRET_KEY validation in Docker deployment entrypoint
- Fix K-line chart measurement tool click issue
- Adapt billing page text colors for dark theme
- Update frontend build files
This commit is contained in:
TIANHE
2026-03-12 00:02:53 +08:00
parent b21777e3a0
commit b7451c63fb
80 changed files with 634 additions and 113 deletions
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backend_api_python/app/services/mt5_trading/client.py
+47 -3
View File
@@ -211,6 +211,23 @@ class MT5Client:
message=f"Symbol not found: {symbol}"
)
# Validate volume against symbol constraints
volume_float = float(volume)
if volume_float < symbol_info.volume_min:
return OrderResult(
success=False,
message=f"Volume {volume_float} is less than minimum {symbol_info.volume_min}"
)
if volume_float > symbol_info.volume_max:
return OrderResult(
success=False,
message=f"Volume {volume_float} exceeds maximum {symbol_info.volume_max}"
)
# Round volume to lot step
volume_step = symbol_info.volume_step
if volume_step > 0:
volume_float = round(volume_float / volume_step) * volume_step
if not symbol_info.visible:
# Enable symbol in Market Watch
if not mt5.symbol_select(symbol, True):
@@ -235,18 +252,28 @@ class MT5Client:
order_type = mt5.ORDER_TYPE_SELL
price = tick.bid
# Determine filling mode based on symbol properties
# Different brokers support different filling modes
filling_mode = mt5.ORDER_FILLING_IOC # Default
if symbol_info.filling_mode & mt5.ORDER_FILLING_IOC:
filling_mode = mt5.ORDER_FILLING_IOC
elif symbol_info.filling_mode & mt5.ORDER_FILLING_FOK:
filling_mode = mt5.ORDER_FILLING_FOK
elif symbol_info.filling_mode & mt5.ORDER_FILLING_RETURN:
filling_mode = mt5.ORDER_FILLING_RETURN
# Prepare order request
request = {
"action": mt5.TRADE_ACTION_DEAL,
"symbol": symbol,
"volume": float(volume),
"volume": volume_float, # Use validated and rounded volume
"type": order_type,
"price": price,
"deviation": deviation,
"magic": self.config.magic_number,
"comment": comment,
"type_time": mt5.ORDER_TIME_GTC,
"type_filling": mt5.ORDER_FILLING_IOC,
"type_filling": filling_mode,
}
# Send order
@@ -419,6 +446,14 @@ class MT5Client:
pos = position[0]
symbol = pos.symbol
# Get symbol info for filling mode
symbol_info = mt5.symbol_info(symbol)
if symbol_info is None:
return OrderResult(
success=False,
message=f"Symbol not found: {symbol}"
)
# Get tick
tick = mt5.symbol_info_tick(symbol)
if tick is None:
@@ -437,6 +472,15 @@ class MT5Client:
close_volume = volume if volume else pos.volume
# Determine filling mode based on symbol properties
filling_mode = mt5.ORDER_FILLING_IOC # Default
if symbol_info.filling_mode & mt5.ORDER_FILLING_IOC:
filling_mode = mt5.ORDER_FILLING_IOC
elif symbol_info.filling_mode & mt5.ORDER_FILLING_FOK:
filling_mode = mt5.ORDER_FILLING_FOK
elif symbol_info.filling_mode & mt5.ORDER_FILLING_RETURN:
filling_mode = mt5.ORDER_FILLING_RETURN
request = {
"action": mt5.TRADE_ACTION_DEAL,
"symbol": symbol,
@@ -448,7 +492,7 @@ class MT5Client:
"magic": self.config.magic_number,
"comment": comment,
"type_time": mt5.ORDER_TIME_GTC,
"type_filling": mt5.ORDER_FILLING_IOC,
"type_filling": filling_mode,
}
result = mt5.order_send(request)