From b8a527e4a08ad0f5e0c7bfd52e0ec49113644883 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Sun, 5 Feb 2023 10:46:24 +0100
Subject: [PATCH] Add gateio price type field

---
 freqtrade/exchange/gateio.py    | 8 +++++++-
 tests/exchange/test_exchange.py | 3 +++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/freqtrade/exchange/gateio.py b/freqtrade/exchange/gateio.py
index de178af02..cc7e47cca 100644
--- a/freqtrade/exchange/gateio.py
+++ b/freqtrade/exchange/gateio.py
@@ -4,7 +4,7 @@ from datetime import datetime
 from typing import Any, Dict, List, Optional, Tuple
 
 from freqtrade.constants import BuySell
-from freqtrade.enums import MarginMode, TradingMode
+from freqtrade.enums import MarginMode, PriceType, TradingMode
 from freqtrade.exceptions import OperationalException
 from freqtrade.exchange import Exchange
 from freqtrade.misc import safe_value_fallback2
@@ -34,6 +34,12 @@ class Gateio(Exchange):
         "needs_trading_fees": True,
         "fee_cost_in_contracts": False,  # Set explicitly to false for clarity
         "order_props_in_contracts": ['amount', 'filled', 'remaining'],
+        "stop_price_type_field": "price_type",
+        "stop_price_type_value_mapping": {
+            PriceType.LAST: 0,
+            PriceType.MARK: 1,
+            PriceType.INDEX: 2,
+        },
     }
 
     _supported_trading_mode_margin_pairs: List[Tuple[TradingMode, MarginMode]] = [
diff --git a/tests/exchange/test_exchange.py b/tests/exchange/test_exchange.py
index 6b28b33b6..dfa807b95 100644
--- a/tests/exchange/test_exchange.py
+++ b/tests/exchange/test_exchange.py
@@ -1070,6 +1070,9 @@ def test_validate_ordertypes(default_conf, mocker):
     # ('okx', 'last', True),
     # ('okx', 'mark', True),
     # ('okx', 'index', True),
+    ('gate', 'last', True),
+    ('gate', 'mark', True),
+    ('gate', 'index', True),
     ])
 def test_validate_ordertypes_stop_advanced(default_conf, mocker, exchange_name, stopadv, expected):