fix: improve order resilience with precision and minimum quantity fallbacks, and fix rate-limiting on account fetch

This commit is contained in:
pie
2026-05-14 16:36:40 +01:00
parent fc9bb34d6b
commit 9e26623fc7
2 changed files with 70 additions and 23 deletions
+11 -3
View File
@@ -113,7 +113,8 @@ def run_ticker_lifecycle(client, yf_ticker, t212_ticker, tz, num_tickers):
params['ticker'] = t212_ticker
# Anti-thundering-herd: Random jitter to prevent 429s from parallel threads
time.sleep(random.uniform(0.1, 3.0))
# Use a larger range (1-10s) to better stagger independent threads
time.sleep(random.uniform(1.0, 10.0))
# Fetch Account Balance to calculate risk with backoff
for attempt in range(3):
@@ -129,8 +130,9 @@ def run_ticker_lifecycle(client, yf_ticker, t212_ticker, tz, num_tickers):
break
except Exception as e:
if '429' in str(e):
logger.warning(f"Rate limited on account fetch for {yf_ticker}. Retrying...")
time.sleep(2**(attempt+1))
wait_time = (attempt + 1) * 5 + random.uniform(1, 3)
logger.warning(f"Rate limited on account fetch for {yf_ticker}. Retrying in {wait_time:.1f}s...")
time.sleep(wait_time)
else:
logger.error(f"Failed to fetch account info: {e}")
break
@@ -270,4 +272,10 @@ def main():
flush_logs()
if __name__ == "__main__":
try:
main()
except Exception as e:
logger.critical(f"FATAL ERROR in main: {e}", exc_info=True)
finally:
flush_logs()
logger.info("Bot process terminated.")
+51 -12
View File
@@ -2,6 +2,7 @@ import time
import logging
import os
import random
import json
from typing import Dict, Any, Optional
from src.api.client import Trading212Client
from src.strategy.inverse_mapping import INVERSE_TICKER_MAP, LEVERAGE_MAP
@@ -34,6 +35,7 @@ class ExecutionManager:
logger.warning(f"Rate limited. Retrying in {wait:.1f}s...")
time.sleep(wait)
elif '400' in str(e) or '403' in str(e):
# For 400/403, logging the body is crucial
if hasattr(e, 'response') and e.response is not None:
logger.error(f"API Error Body: {e.response.text}")
raise e
@@ -70,9 +72,10 @@ class ExecutionManager:
approx_price = params.get('current_price', params['entry_price'])
# 2. Position Sizing
if self.is_etp:
quantity = 1.0
logger.info(f"Sizing for ETP {ticker}: Defaulting to 1.0 share (Leverage: {self.leverage}x)")
logger.info(f"Sizing for ETP {ticker}: Initial attempt with 1.0 share.")
else:
stop_loss = round(params['stop_loss'], 2)
risk_per_share = abs(approx_price - stop_loss)
@@ -88,29 +91,49 @@ class ExecutionManager:
self.current_quantity = quantity
trade_quantity = -quantity if direction == "SELL" else quantity
logger.info(f"Final Quantity: {quantity} shares. Approx Value: {approx_price * quantity:.2f}")
logger.info(f"Placing immediate {direction} market order for {ticker}...")
logger.info(f"Attempting {direction} market order for {ticker} (Qty: {quantity})...")
# 3. Execution with Smart Retry for Common Broker Errors
try:
order = self._call_with_retry(self.client.place_market_order, ticker, trade_quantity)
self.current_order_id = order.get('id')
logger.info(f"Market order placed successfully. ID: {self.current_order_id}")
return True
except Exception as e:
# Handle Quantity Precision Error
if "precision-mismatch" in str(e) or "precision" in str(e).lower():
logger.warning(f"Quantity precision mismatch for {ticker}. Retrying with 2 decimal places...")
if hasattr(e, 'response') and e.response is not None:
try:
err_data = e.response.json()
err_type = err_data.get('type', '')
err_detail = err_data.get('detail', '')
# Error A: Quantity Precision Mismatch
if "precision-mismatch" in err_type or "precision" in err_detail.lower():
logger.warning(f"Precision mismatch for {ticker}. Retrying with 2 decimal places...")
trade_quantity = round(trade_quantity, 2)
self.current_quantity = abs(trade_quantity)
order = self._call_with_retry(self.client.place_market_order, ticker, trade_quantity)
self.current_order_id = order.get('id')
logger.info(f"Market order (retry) placed. ID: {self.current_order_id}")
return True
except Exception as retry_e:
logger.error(f"Failed entry retry: {retry_e}")
logger.error(f"Failed to place entry market order: {e}")
# Error B: Minimum Quantity Exceeded
if "min-quantity-exceeded" in err_type:
import re
match = re.search(r"at least ([\d.]+)", err_detail)
if match:
min_qty = float(match.group(1))
if (min_qty * approx_price) <= (max_capital * 1.05): # Small buffer
logger.warning(f"Quantity too low for {ticker}. Upping to minimum: {min_qty}")
trade_quantity = -min_qty if direction == "SELL" else min_qty
self.current_quantity = min_qty
order = self._call_with_retry(self.client.place_market_order, ticker, trade_quantity)
self.current_order_id = order.get('id')
return True
else:
logger.error(f"Required minimum {min_qty} exceeds available capital for {ticker}.")
except Exception as retry_e:
logger.error(f"Retry logic failed for {ticker}: {retry_e}")
logger.error(f"Failed to place entry market order for {ticker}: {e}")
return False
def _is_ticker_in_portfolio(self, ticker: str) -> bool:
@@ -179,11 +202,21 @@ class ExecutionManager:
try:
logger.info(f"Hybrid Mode: Placing Broker SL for {ticker} @ {sl_price}. Monitoring TP @ {tp_price} manually.")
# Use retry with possible precision fix for SL too
try:
sl_order = self._call_with_retry(self.client.place_stop_order, ticker, sl_qty, sl_price, time_validity="GOOD_TILL_CANCEL")
self.sl_order_id = sl_order.get('id')
except Exception as sl_e:
if "precision" in str(sl_e).lower():
logger.warning(f"Precision mismatch for {ticker} Stop. Retrying with 2 decimals...")
sl_qty = round(sl_qty, 2)
sl_order = self._call_with_retry(self.client.place_stop_order, ticker, sl_qty, sl_price, time_validity="GOOD_TILL_CANCEL")
self.sl_order_id = sl_order.get('id')
else:
raise sl_e
return True
except Exception as e:
logger.error(f"Failed to place SL bracket: {e}")
logger.error(f"Failed to place SL bracket for {ticker}: {e}")
return False
def check_exit_status(self) -> tuple[bool, str, float]:
@@ -225,7 +258,6 @@ class ExecutionManager:
if "404" in str(e):
if not self._is_ticker_in_portfolio(ticker):
self.is_in_position = False
# Fallback to known SL price to avoid 0.0 PnL math
fallback_price = float(self.params.get('final_sl', 0.0))
return True, "SL Hit (Broker)", fallback_price
else:
@@ -257,7 +289,14 @@ class ExecutionManager:
qty = float(pos.get('quantity', 0))
exit_price = float(pos.get('currentPrice', 0.0))
if qty != 0:
# Try to close with precision fix
try:
self._call_with_retry(self.client.place_market_order, trading_ticker, -qty)
except Exception as close_e:
if "precision" in str(close_e).lower():
self._call_with_retry(self.client.place_market_order, trading_ticker, round(-qty, 2))
else:
raise close_e
break
except Exception as e:
logger.error(f"Failed to flatten position: {e}")